Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Securities Held to Maturity, at Fair Value	$ 0	$ 95
Preferred Stock, shares authorized (in shares)	500,000	500,000
Preferred Stock, shares issued (in shares)	0	0
Common Stock, stated value (in dollars per share)	$ 1	$ 1
Common Stock, shares authorized (in shares)	30,000,000	30,000,000
End of period shares outstanding (in shares)	15,261,431	13,278,824