Selected Balance Sheet Data - Schedule of Other Assets (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2013
|
Dec. 31, 2012
|
---|---|---|
Other Assets [Line Items] | ||
Other assets | $ 3,431 | $ 3,965 |
Commission notes receivable [Member]
|
||
Other Assets [Line Items] | ||
Other assets | 290 | 739 |
Due from sales agents [Member]
|
||
Other Assets [Line Items] | ||
Other assets | 590 | 376 |
Agent recruiting receivable [Member]
|
||
Other Assets [Line Items] | ||
Other assets | 1,459 | 1,766 |
Security deposits and other [Member]
|
||
Other Assets [Line Items] | ||
Other assets | $ 1,092 | $ 1,084 |