Segment Reporting - Schedule of Segment Reporting (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) segment	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting [Abstract]
Reportable business segments | segment			3
Segment Reporting Information [Line Items]
Total assets	$ 6,125,312	$ 5,154,298	$ 6,125,312	$ 5,154,298	$ 5,380,924
Interest income	49,980	54,060	101,999	106,424
Interest expense	6,462	11,425	16,013	22,266
Net interest income	43,518	42,635	85,986	84,158
Provision for credit losses	23,737	2,073	45,580	4,753
Noninterest income	18,000	16,356	36,384	32,653
Noninterest expense	35,960	36,781	74,737	72,343
Intersegment (revenues) expense	0	0	0	0
Income before income taxes	1,821	20,137	2,053	39,715
Income tax (benefit) expense	(264)	3,669	(870)	7,168
Net income	2,085	16,468	2,923	32,547
Capital expenditures	1,301	582	1,680	1,432
Banking [Member]
Segment Reporting Information [Line Items]
Total assets	6,024,054	5,059,733	6,024,054	5,059,733	5,282,505
Interest income	49,971	54,041	101,975	106,387
Interest expense	5,256	10,164	13,532	19,744
Net interest income	44,715	43,877	88,443	86,643
Provision for credit losses	23,737	2,073	45,580	4,753
Noninterest income	8,284	6,014	15,836	10,985
Noninterest expense	28,546	28,334	59,793	56,351
Intersegment (revenues) expense	(274)	(295)	(556)	(594)
Income before income taxes	990	19,779	(538)	37,118
Income tax (benefit) expense	(578)	3,660	(1,422)	6,780
Net income	1,568	16,119	884	30,338
Capital expenditures	1,274	371	1,645	1,136
Wealth Management [Member]
Segment Reporting Information [Line Items]
Total assets	46,141	42,024	46,141	42,024	44,591
Interest income	0	11	7	21
Interest expense	0	0	0	0
Net interest income	0	11	7	21
Provision for credit losses	0	0	0	0
Noninterest income	5,504	6,155	11,691	11,875
Noninterest expense	3,729	3,893	7,907	7,792
Intersegment (revenues) expense	146	161	298	327
Income before income taxes	1,629	2,112	3,493	3,777
Income tax (benefit) expense	331	409	713	723
Net income	1,298	1,703	2,780	3,054
Capital expenditures	1	35	6	74
Insurance [Member]
Segment Reporting Information [Line Items]
Total assets	34,574	32,256	34,574	32,256	34,291
Interest income	0	0	0	0
Interest expense	0	0	0	0
Net interest income	0	0	0	0
Provision for credit losses	0	0	0	0
Noninterest income	4,209	4,145	9,096	9,498
Noninterest expense	2,925	3,151	6,121	6,365
Intersegment (revenues) expense	128	134	258	267
Income before income taxes	1,156	860	2,717	2,866
Income tax (benefit) expense	242	70	577	263
Net income	914	790	2,140	2,603
Capital expenditures	6	39	9	64
Other Segments [Member]
Segment Reporting Information [Line Items]
Total assets	20,543	20,285	20,543	20,285	$ 19,537
Interest income	9	8	17	16
Interest expense	1,206	1,261	2,481	2,522
Net interest income	(1,197)	(1,253)	(2,464)	(2,506)
Provision for credit losses	0	0	0	0
Noninterest income	3	42	(239)	295
Noninterest expense	760	1,403	916	1,835
Intersegment (revenues) expense	0	0	0	0
Income before income taxes	(1,954)	(2,614)	(3,619)	(4,046)
Income tax (benefit) expense	(259)	(470)	(738)	(598)
Net income	(1,695)	(2,144)	(2,881)	(3,448)
Capital expenditures	$ 20	$ 137	$ 20	$ 158