Segment Reporting (Schedule of Segment Reporting Information by Segment) (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) segment	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment			2
Interest income	$ 11,449	$ 10,003	$ 21,896	$ 19,911
Interest expense	(549)	(620)	(1,063)	(1,285)
Provision for credit losses	(974)	(375)	(1,401)	(825)
Noninterest income	4,179	4,041	8,986	8,582
Noninterest expense	(10,199)	(9,365)	(19,850)	(18,704)
Income (loss) before taxes	3,906	3,684	8,568	7,679	$ 15,900	$ 11,500
Income tax (expense) benefit	(1,554)	(1,412)	(3,416)	(2,947)
Net income (loss)	2,352	2,272	5,152	4,732
Total assets	1,362,798	1,125,690	1,362,798	1,125,690	$ 1,160,271
Operating Segments [Member] | Community Banking [Member]
Segment Reporting Information [Line Items]
Interest income			21,830	19,785
Interest expense			(1,063)	(1,285)
Provision for credit losses			(1,401)	(825)
Noninterest income			3,933	3,850
Noninterest expense			(12,044)	(10,691)
Net intersegment (expense) income			(3,594)	(3,979)
Income (loss) before taxes			7,661	6,855
Income tax (expense) benefit			(3,054)	(2,616)
Net income (loss)			4,607	4,239
Total assets	1,346,340	1,097,433	1,346,340	1,097,433
Operating Segments [Member] | Insurance Products and Services [Member]
Segment Reporting Information [Line Items]
Interest income			(1)
Noninterest income			5,053	4,732
Noninterest expense			(3,834)	(3,435)
Net intersegment (expense) income			(162)	(367)
Income (loss) before taxes			1,056	930
Income tax (expense) benefit			(422)	(369)
Net income (loss)			634	561
Total assets	10,031	9,347	10,031	9,347
Parent Company [Member] | Corporate, Non-Segment [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Interest income			67	126
Noninterest expense			(3,972)	(4,578)
Net intersegment (expense) income			3,756	4,346
Income (loss) before taxes			(149)	(106)
Income tax (expense) benefit			60	38
Net income (loss)			(89)	(68)
Total assets	$ 6,427	$ 18,910	$ 6,427	$ 18,910