Assets and Liabilities of Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	$ 53,699	$ 52,356
Inventory	10,247	7,752
Loans held for sale, net	0	20,317
Other current assets	1,266	2,356
Total current assets of discontinued operations	3,614	19,569
Intangible assets, net	4,329	6,708
Goodwill	17,780	17,780
Other noncurrent assets	3,087	384
Assets of discontinued operations	4,264	22,551
Trade payables	2,222	4,686
Other current liabilities	1,009	888
Total current liabilities of discontinued operations	2,292	3,211
Liabilities of discontinued operations	9,792	11,711
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	162	200
Inventory	516	929
FHLB stock	2,051	2,051
Loans held for sale, net		12,383
Real estate owned, net	830	3,966
Other current assets	55	2,091
FHLB stock	2,051	2,051
Intangible assets, net	196	270
Goodwill	400	400
Other noncurrent assets	54	261
Litigation reserve	1,775	1,617
Trade payables	361	1,069
Unclaimed property	153	297
Other current liabilities	3	228
Repurchase reserve	$ 7,500	$ 8,500