Other Assets - Other Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Deferred borrowing costs, net	$ 1,555	$ 1,218
Servicing asset, net	1,527	1,261
Deferred tax asset, net	1,412	1,626
Investment in a variable interest entity	820	820
Retained interests in transferred assets	699	773
Interest receivable	689	620
Prepaid expenses and deposits	331	330
Real estate owned	56	739
Other	171	99
Other Assets, Total	$ 7,260	$ 7,486