Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Consolidated Statements of Financial Condition [Abstract]
Available-for-sale Securities, Amortized Cost	$ 141,115	$ 153,559
Held-to-maturity Securities, Fair Value	$ 66,797	$ 68,431
Preferred Stock, Par or Stated Value Per Share	$ 10.00	$ 10.00
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, Liquidation Preference Per Share	$ 1,000	$ 1,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Common Stock, Shares Authorized	10,000,000	10,000,000
Common Stock, Shares, Issued	2,951,128	2,933,049
Common Stock, Shares, Outstanding	2,844,973	2,823,840
Treasury Stock, Shares	106,155	109,209