Investment Securities (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 item	Dec. 31, 2012	Dec. 31, 2011
Investment securities available for sale:
Amortized Cost	$ 261,318,000	$ 82,189,000
Unrealized Gain	609,000	2,360,000
Unrealized Loss	(5,838,000)	(483,000)
Total	256,089,000	84,066,000
Equities held at cost, Amortized Cost
FHLB stock	7,483,000	9,228,000
Federal Reserve Bank/TIB	7,967,000	2,019,000
Total equities held at cost	15,450,000	11,247,000
Equities held at cost, Estimated Fair Value
FHLB stock	7,483,000	9,228,000
Federal Reserve Bank stock	7,967,000	2,019,000
Total equities held at cost	15,450,000	11,247,000
Total securities
Amortized Cost	276,768,000	93,436,000
Estimated Fair Value	271,539,000	95,313,000
Additional disclosures
Excess FHLB stock with the entity repurchased by FHLB through their stock repurchase program	4,300,000	4,300,000
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
Securities with OTTI	0
OTTI losses	4,000	159,000	617,000
U.S. Treasury
Investment securities available for sale:
Amortized Cost	73,000	147,000
Unrealized Gain	8,000	12,000
Total	81,000	159,000
Municipal bonds
Investment securities available for sale:
Amortized Cost	95,388,000	25,401,000
Unrealized Gain	589,000	1,186,000
Unrealized Loss	(1,850,000)	(1,000)
Total	94,127,000	26,586,000
Mortgage-backed securities
Investment securities available for sale:
Amortized Cost	165,857,000	56,641,000
Unrealized Gain	12,000	1,162,000
Unrealized Loss	(3,988,000)	(482,000)
Total	161,881,000	57,321,000
Additional disclosures
Estimated par value of securities pledged as collateral for the Bank's inverse putable reverse repurchases	34,000,000
Fair value of securities pledged as collateral for the Bank's inverse putable reverse repurchases	$ 34,900,000