Investment Securities (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 item	Dec. 31, 2013	Mar. 31, 2013
Investment securities available for sale:
Amortized Cost	$ 203,983,000	$ 261,318,000	$ 298,499,000
Unrealized Gain	913,000	609,000	3,615,000
Unrealized Loss	(2,754,000)	(5,838,000)	(954,000)
Total	202,142,000	256,089,000	301,160,000
Equities held at cost, Estimated Fair Value
FHLB stock	6,100,000
FRB stock	3,900,000
Other stock	4,000,000
Additional disclosures
Excess FHLB stock with the entity repurchased by FHLB through their stock repurchase program	1,400,000
Number of inverse putable reverse repurchase of the Bank's secured by collateral	3
Value of inverse putable reverse repurchases secured by collateral	28,500,000
HOA
Additional disclosures
Value of inverse putable reverse repurchases secured by collateral	17,000,000
U.S. Treasury
Investment securities available for sale:
Amortized Cost		73,000	74,000
Unrealized Gain		8,000	11,000
Total		81,000	85,000
Municipal bonds
Investment securities available for sale:
Amortized Cost	77,062,000	95,388,000	154,543,000
Unrealized Gain	848,000	589,000	1,783,000
Unrealized Loss	(586,000)	(1,850,000)	(387,000)
Total	77,324,000	94,127,000	155,939,000
Mortgage-backed securities
Investment securities available for sale:
Amortized Cost	126,921,000	165,857,000	143,882,000
Unrealized Gain	65,000	12,000	1,821,000
Unrealized Loss	(2,168,000)	(3,988,000)	(567,000)
Total	124,818,000	161,881,000	145,136,000
Additional disclosures
Estimated par value of securities pledged as collateral for the Bank's inverse putable reverse repurchases	65,500,000
Fair value of securities pledged as collateral for the Bank's inverse putable reverse repurchases	$ 67,500,000