Office Properties and Equipment Office Properties and Equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 Years	Dec. 31, 2011
Office Properties and Equipment [Abstract]
Land	$ 3,453	$ 3,588
Buildings	21,737	22,398
Leasehold improvements	1,125	1,156
Furniture and equipment	12,474	13,220
Construction in progress	0	77
Office properties and equipment	38,789	40,439
Less: accumulated depreciation and amortization	23,021	22,900
Office properties and equipment, net	$ 15,768	$ 17,539
Useful Life, Minimum, Buildings	30
Useful Life, Maximum, Buildings	40
Useful Life, Minimum, Leasehold Improvements	2
Useful Life, Maximum, Leasehold Improvements	5
Useful Life, Minimum, Furniture and Equipment	2
Useful Life, Maximum, Furniture and Equipment	15