INCOME TAXES AND DEFERRED TAXES (Deferred Tax Asset and Liability) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011
Deferred tax assets:
REO and loan loss reserves	$ 33,697		$ 31,156
Deferred compensation	5,567		6,032
Net operating loss carryforward	25,538		27,992
Low income housing tax credits	6,481		7,202
Other	309		309
Total deferred tax assets	71,592		72,691
Deferred tax liabilities:
FHLB stock dividends	(6,137)		(6,137)
Depreciation	(2,854)		(3,570)
Deferred loan fees, servicing rights and loan origination costs	(5,042)		(4,863)
Intangibles	(1,455)		(2,243)
Financial instruments accounted for under fair value accounting	(10,294)		(16,499)
Total deferred tax liabilities	(25,782)		(33,312)
Deferred income tax asset	45,810		39,379
Unrealized gain on securities available-for-sale	(1,336)		(1,151)
Valuation Allowance	(3,000)	(7,000)	(38,228)
Deferred tax assets, net	$ 41,474		$ 0