Accumulated other comprehensive income balances, net of tax (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Unrealized gains (losses) on securities available-for-sale, Beginning balance	$ 139
Unrealized gains (losses) on securities available-for-sale, Current Period Change	1,131	5,830
Unrealized gains (losses) on securities available-for-sale, Ending balance	1,270	139
Unrealized gains (losses) on available-for-sale securities for which OTTI has been recorded, Beginning balance	1,237
Unrealized gains (losses) on available-for-sale securities for which OTTI has been recorded, Current Period Change	(1,237)	155
Unrealized gains (losses) on available-for-sale securities for which OTTI has been recorded, Ending balance	0	1,237
Unrealized gains (losses) on held-to-maturity securities for which OTTI has been recorded, net of accretion, Beginning balance	(50)
Unrealized gains (losses) on held-to-maturity securities for which OTTI has been recorded, net of accretion, Current Period Change	50
Unrealized gains (losses) on held-to-maturity securities for which OTTI has been recorded, net of accretion, Ending balance	0	(50)
Total, Beginning balance	1,326
Total, Current Period Change	(56)
Total, Ending balance	$ 1,270	$ 1,326