Description of Business, Basis of Presentation and Recent Accounting Pronouncements (Details) - office |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2013 |
|
| Class of Stock [Line Items] | |||||
| Number of offices (over) | 80 | ||||
| Commission's receivable settled period | 10 days | ||||
| Guarantee obligations | 16.70% | ||||
| Performance Shares | |||||
| Class of Stock [Line Items] | |||||
| Vesting period | 3 years | ||||
| Performance period | 3 years | ||||
| ESPP | |||||
| Class of Stock [Line Items] | |||||
| Length of purchase intervals | 6 months | 6 months | |||
| Total Revenues | Geographic Concentration Risk | Canada | Customer | |||||
| Class of Stock [Line Items] | |||||
| Concentration risk percentage | 4.00% | 3.80% | 4.10% | 4.90% | |
| X | ||||||||||
- Definition Number of office. No definition available.
|
| X | ||||||||||
- Definition Period of settlement for receivable balances. No definition available.
|
| X | ||||||||||
- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Award Performance Period No definition available.
|
| X | ||||||||||
- Definition Represents the length of purchase intervals. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Indicates, if estimable, (as a percentage) the approximate extent to which the proceeds from liquidation of any assets held either as collateral or by third parties would be expected to cover the maximum potential amount of future payments under the guarantee or each group of similar guarantees. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|