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Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (USD $)
In Thousands, except Share data |
Total
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Preferred Stock [Member]
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Common Stock [Member]
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Additional Paid-In Capital [Member]
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Stock Notes Receivable From Employees [Member]
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Retained Earnings [Member]
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Accumulated Other Comprehensive Income [Member]
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|---|---|---|---|---|---|---|---|
| Beginning Balance at Dec. 31, 2014 | $ 116,809us-gaap_StockholdersEquity |
$ 4us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ 75,058us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
$ (4)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_ReceivablesFromStockholderMember |
$ 41,592us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ 159us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
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| Beginning Balance, Shares at Dec. 31, 2014 |
36,918,442us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Net and comprehensive income | 14,030us-gaap_ComprehensiveIncomeNetOfTax |
13,669us-gaap_ComprehensiveIncomeNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
361us-gaap_ComprehensiveIncomeNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
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| Stock-based compensation | 1,907us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions |
1,907us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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| Stock-based compensation, Shares | 0us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation |
0us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |
0us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
0us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
0us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_ReceivablesFromStockholderMember |
0us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
0us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
| Issuance of common stock for vesting of restricted stock units | 0mmi_StockIssuedDuringPeriodFairValueOfSharesRestrictedStockUnitsBeforeTaxSettlement |
0mmi_StockIssuedDuringPeriodFairValueOfSharesRestrictedStockUnitsBeforeTaxSettlement / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |
0mmi_StockIssuedDuringPeriodFairValueOfSharesRestrictedStockUnitsBeforeTaxSettlement / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
0mmi_StockIssuedDuringPeriodFairValueOfSharesRestrictedStockUnitsBeforeTaxSettlement / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
0mmi_StockIssuedDuringPeriodFairValueOfSharesRestrictedStockUnitsBeforeTaxSettlement / us-gaap_StatementEquityComponentsAxis = us-gaap_ReceivablesFromStockholderMember |
0mmi_StockIssuedDuringPeriodFairValueOfSharesRestrictedStockUnitsBeforeTaxSettlement / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
0mmi_StockIssuedDuringPeriodFairValueOfSharesRestrictedStockUnitsBeforeTaxSettlement / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
| Issuance of common stock for vesting of restricted stock units, Shares |
175,122mmi_StockIssuedDuringPeriodSharesRestrictedStockUnitsBeforeTaxSettlement / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Shares withheld related to net share settlement of restricted stock units | (716)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation |
(716)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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| Shares withheld related to net share settlement of restricted stock units, Shares |
(21,409)us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Tax benefit from stock-based award activity | 430us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |
430us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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| Ending Balance at Mar. 31, 2015 | $ 132,460us-gaap_StockholdersEquity |
$ 4us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ 76,679us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
$ (4)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_ReceivablesFromStockholderMember |
$ 55,261us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ 520us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
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| Ending Balance, Shares at Mar. 31, 2015 |
37,072,155us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
| X | ||||||||||
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- Definition
Stock issued during period, fair value, restricted stock units, before tax settlement. No definition available.
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| X | ||||||||||
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- Definition
Stock issued during period, shares, restricted stock units, before tax settlement. No definition available.
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| X | ||||||||||
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- Definition
The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. No definition available.
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| X | ||||||||||
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- Definition
Changes in additional paid in capital related to exercise of share-based payments awards (such as stock options) and the amount of recognized equity-based compensation during the period (such as nonvested shares). No definition available.
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| X | ||||||||||
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- Definition
Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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| X | ||||||||||
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- Definition
For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. No definition available.
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| X | ||||||||||
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- Definition
Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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