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Other Assets and Accounts Payable and Other Liabilities - Schedule of Accounts Payable and Other Liabilities (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Schedule Of Accrued Liabilities [Line Items] |  |
Accounts payable | $ 1,143 | $ 1,181
Rent payable | 1,032 | 1,289
Accrued interest payable | 308 | 662
Income and payroll taxes payable | 3,011 | 1,947
Guarantee liability | 1,084 | 1,084
Settlement payable | 4,467 |
Deferred income | 498 | 1,761
Mandatorily redeemable equity interests | 86 | 3,149
Other general accrued expenses | 1,451 | 5,643
Accounts payable and other liabilities | $ 13,080 | $ 16,716

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