Segment Reporting (Schedule of Segment Reporting Information by Segment) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($) segment	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment	2
Interest income	$ 14,236	$ 12,937	$ 41,013	$ 34,833
Interest expense	(1,289)	(611)	(3,104)	(1,674)
Provision for credit losses	(307)	(345)	(1,214)	(1,746)
Noninterest income	4,710	4,425	14,179	13,411
Noninterest expense	(11,286)	(10,720)	(33,576)	(30,570)
Income (loss) before taxes	6,064	5,686	17,298	14,254
Income tax (expense) benefit	(1,610)	(2,274)	(4,395)	(5,690)
Net income (loss)	4,454	3,412	12,903	8,564
Total assets	1,473,543	1,376,127	1,473,543	1,376,127	$ 1,393,860
Operating Segments [Member] | Corporate [Member]
Segment Reporting Information [Line Items]
Interest income	5	6	17	73
Noninterest expense	(2,142)	(1,912)	(6,445)	(5,884)
Net intersegment (expense) income	2,036	1,828	6,066	5,584
Income (loss) before taxes	(101)	(78)	(362)	(227)
Income tax (expense) benefit	9	31	213	91
Net income (loss)	(92)	(47)	(149)	(136)
Total assets	7,178	6,289	7,178	6,289
Operating Segments [Member] | Community Banking [Member]
Segment Reporting Information [Line Items]
Interest income	14,231	12,931	40,996	34,761
Interest expense	(1,289)	(611)	(3,104)	(1,674)
Provision for credit losses	(307)	(345)	(1,214)	(1,746)
Noninterest income	2,464	2,178	6,899	6,111
Noninterest expense	(7,166)	(6,607)	(21,178)	(18,651)
Net intersegment (expense) income	(1,893)	(1,906)	(5,627)	(5,500)
Income (loss) before taxes	6,040	5,640	16,772	13,301
Income tax (expense) benefit	(1,586)	(2,255)	(4,375)	(5,309)
Net income (loss)	4,454	3,385	12,397	7,992
Total assets	1,455,060	1,359,930	1,455,060	1,359,930
Operating Segments [Member] | Insurance Products and Services [Member]
Segment Reporting Information [Line Items]
Interest income				(1)
Noninterest income	2,246	2,247	7,280	7,300
Noninterest expense	(1,978)	(2,201)	(5,953)	(6,035)
Net intersegment (expense) income	(143)	78	(439)	(84)
Income (loss) before taxes	125	124	888	1,180
Income tax (expense) benefit	(33)	(50)	(233)	(472)
Net income (loss)	92	74	655	708
Total assets	$ 11,305	$ 9,909	$ 11,305	$ 9,909