Securities - Schedule of Securities with Gross Unrealized Loses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Fair Value
Less than 12 Months	$ 76,196	$ 21,604
12 Months or More	9,554	31,110
Total	85,750	52,714
Unrealized Loss
Less than 12 Months	(1,219)	(215)
12 Months or More	(258)	(893)
Total	(1,477)	(1,108)
U.S. Treasury and federal agency
Fair Value
Less than 12 Months	4,500	0
12 Months or More	0	1,466
Total	4,500	1,466
Unrealized Loss
Less than 12 Months	(50)	0
12 Months or More	0	(27)
Total	(50)	(27)
U.S. government sponsored entities and agencies
Fair Value
Less than 12 Months	8,998	4,962
12 Months or More	0	1,989
Total	8,998	6,951
Unrealized Loss
Less than 12 Months	(188)	(36)
12 Months or More	0	(11)
Total	(188)	(47)
U.S. agency mortgage-backed securities: residential
Fair Value
Less than 12 Months	23,279	6,710
12 Months or More	0	0
Total	23,279	6,710
Unrealized Loss
Less than 12 Months	(196)	(53)
12 Months or More	0	0
Total	(196)	(53)
U.S. agency collateralized mortgage obligations: residential
Fair Value
Less than 12 Months	13,568	4,283
12 Months or More	9,317	25,336
Total	22,885	29,619
Unrealized Loss
Less than 12 Months	(438)	(41)
12 Months or More	(246)	(831)
Total	(684)	(872)
State and political subdivision
Fair Value
Less than 12 Months	21,924	1,028
12 Months or More	0	1,819
Total	21,924	2,847
Unrealized Loss
Less than 12 Months	(262)	(2)
12 Months or More	0	(23)
Total	(262)	(25)
Corporate debt securities
Fair Value
Less than 12 Months	3,927	3,484
12 Months or More	0	500
Total	3,927	3,984
Unrealized Loss
Less than 12 Months	(85)	(20)
12 Months or More	0	(1)
Total	(85)	(21)
Equity securities
Fair Value
Less than 12 Months	0	1,137
12 Months or More	237	0
Total	237	1,137
Unrealized Loss
Less than 12 Months	0	(63)
12 Months or More	(12)	0
Total	$ (12)	$ (63)