Segment Reporting - Schedule of Segment Reporting (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) segment	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting [Abstract]
Reportable business segments | segment			3
Segment Reporting Information [Line Items]
Total assets	$ 6,382,831	$ 5,353,611	$ 6,382,831	$ 5,353,611	$ 5,380,924
Interest income	50,612	54,300	152,611	160,724
Interest expense	6,758	11,655	22,771	33,921
Net interest income	43,854	42,645	129,840	126,803
Provision for credit losses	3,935	1,533	49,515	6,286
Noninterest income	21,805	16,599	58,189	49,252
Noninterest Expense	38,527	36,267	113,264	108,610
Intersegment (revenues) expense	0	0	0	0
Income before income taxes	23,197	21,444	25,250	61,159
Income tax expense	5,078	3,782	4,208	10,950
Net income	18,119	17,662	21,042	50,209
Capital expenditures	683	215	2,363	1,647
Banking [Member]
Segment Reporting Information [Line Items]
Total assets	6,277,894	5,256,435	6,277,894	5,256,435	5,282,505
Interest income	50,603	54,280	152,578	160,667
Interest expense	4,867	10,394	18,399	30,138
Net interest income	45,736	43,886	134,179	130,529
Provision for credit losses	3,935	1,533	49,515	6,286
Noninterest income	11,919	6,491	27,755	17,476
Noninterest Expense	31,304	29,205	91,097	85,556
Intersegment (revenues) expense	(296)	(307)	(852)	(901)
Income before income taxes	22,712	19,946	22,174	57,064
Income tax expense	4,367	3,719	2,944	10,499
Net income	18,345	16,227	19,230	46,565
Capital expenditures	646	52	2,291	1,187
Wealth Management [Member]
Segment Reporting Information [Line Items]
Total assets	47,550	43,305	47,550	43,305	44,591
Interest income	1	12	8	33
Interest expense	0	0	0	0
Net interest income	1	12	8	33
Provision for credit losses	0	0	0	0
Noninterest income	5,963	6,049	17,654	17,924
Noninterest Expense	3,845	3,860	11,752	11,652
Intersegment (revenues) expense	168	177	466	504
Income before income taxes	1,951	2,024	5,444	5,801
Income tax expense	396	391	1,109	1,115
Net income	1,555	1,633	4,335	4,686
Capital expenditures	15	5	21	80
Insurance [Member]
Segment Reporting Information [Line Items]
Total assets	35,168	33,239	35,168	33,239	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	3,924	4,039	13,020	13,537
Noninterest Expense	2,974	3,056	9,095	9,421
Intersegment (revenues) expense	128	130	386	397
Income before income taxes	822	853	3,539	3,719
Income tax expense	171	72	749	334
Net income	651	781	2,790	3,385
Capital expenditures	14	24	23	88
Other Segments [Member]
Segment Reporting Information [Line Items]
Total assets	22,219	20,632	22,219	20,632	$ 19,537
Interest income	8	8	25	24
Interest expense	1,891	1,261	4,372	3,783
Net interest income	(1,883)	(1,253)	(4,347)	(3,759)
Provision for credit losses	0	0	0	0
Noninterest income	(1)	20	(240)	315
Noninterest Expense	404	146	1,320	1,981
Intersegment (revenues) expense	0	0	0	0
Income before income taxes	(2,288)	(1,379)	(5,907)	(5,425)
Income tax expense	144	(400)	(594)	(998)
Net income	(2,432)	(979)	(5,313)	(4,427)
Capital expenditures	$ 8	$ 134	$ 28	$ 292