Loans (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Real Estate:
Total real estate	$ 845,020	$ 1,151,653
Consumer
Total consumer	214,593	238,397
Commercial
Total commercial	26,543	30,146
Total Loans	1,086,156	1,420,196
Less:
Allowance for loan losses	21,130	42,271	50,883	42,287
Deferred loan costs, net	(1,214)	(1,351)
Total	19,916	40,920
Loans, net	1,066,240	1,379,276
One-to four-family residential [Member]
Real Estate:
Total real estate	577,249	667,375
Multi-family residential [Member]
Real Estate:
Total real estate	80,923	120,991
Nonresidential [Member]
Real Estate:
Total real estate	138,188	276,198
Land [Member]
Real Estate:
Total real estate	15,808	23,222
One-to four-family residential and land development [Member]
Real Estate:
Total real estate	28,318	59,339
Multi-family and nonresidential [Member]
Real Estate:
Total real estate	4,534	4,528
Home equity [Member]
Consumer
Total consumer	177,230	191,827
Auto [Member]
Consumer
Total consumer	7,648	8,933
Marine [Member]
Consumer
Total consumer	4,942	5,900
Recreational vehicles [Member]
Consumer
Total consumer	22,250	28,530
Other [Member]
Consumer
Total consumer	2,523	3,207
Secured [Member]
Commercial
Total commercial	24,243	25,120
Unsecured [Member]
Commercial
Total commercial	$ 2,300	$ 5,026