Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Consolidated Statements of Financial Condition [Abstract]
Available-for-sale Securities, Amortized Cost	$ 116,830	$ 153,559
Held-to-maturity Securities, Fair Value	$ 66,124	$ 68,431
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	4,334,352	2,833,049
Common Stock, Shares, Outstanding	4,240,778	2,823,840
Treasury Stock, Shares	93,574	109,209