Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Securities held to maturity, fair value	$ 147,480	$ 137,087
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	6,651,760	6,651,760
Common stock, shares outstanding	6,320,531	6,318,708
Treasury stock, shares	331,229	333,052
Deferred compensation arrangements, shares	294,673	319,854
Preferred Class A Non-Voting [Member]
Preferred stock, shares authorized	200,000	200,000
Preferred stock, shares outstanding	0	0