Selected Balance Sheet Data - Schedule of Other Assets (Detail) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2014
|
Dec. 31, 2013
|
---|---|---|
Other Assets [Line Items] | ||
Other assets | $ 3,040 | $ 3,146 |
Commission notes receivable [Member]
|
||
Other Assets [Line Items] | ||
Other assets | 27 | 82 |
Due from independent contractors [Member]
|
||
Other Assets [Line Items] | ||
Other assets | 511 | 566 |
Security deposits [Member]
|
||
Other Assets [Line Items] | ||
Other assets | 1,052 | 1,126 |
Other [Member]
|
||
Other Assets [Line Items] | ||
Other assets | $ 1,450 | $ 1,372 |