Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Allowance for Loan and Lease Losses and Corresponding Loan and Lease Balances (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for loan and lease losses
Beginning balance	$ 66,347	$ 31,936	$ 25,201
Provision (recapture)	1,457	55,949	20,708
Charge-offs	15,664	23,347	15,859
Recoveries	2,872	1,809	1,886
Ending balance	55,012	66,347	31,936
Ending balance:
Individually evaluated for impairment	21,038	23,960	10,690
Collectively evaluated for impairment	30,789	35,925	18,470
Allowance for loan and lease losses	55,012	66,347	31,936
Loans and leases ending balance:
Individually evaluated for impairment	72,923	95,355	68,741
Collectively evaluated for impairment	4,337,154	4,043,363	3,458,252
Total loans and leases	4,537,128	4,340,535	3,785,661
Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality	3,185	6,462	2,776
Loans and leases ending balance:
Loans acquired with deteriorated credit quality	127,051	201,817	258,668
Commercial Real Estate
Allowance for loan and lease losses
Beginning balance	19,584	7,965	7,540
Provision (recapture)	1,263	17,759	4,805
Charge-offs	4,698	6,407	4,950
Recoveries	769	267	570
Ending balance	16,918	19,584	7,965
Ending balance:
Individually evaluated for impairment	6,538	5,034	2,614
Collectively evaluated for impairment	8,570	10,676	4,414
Allowance for loan and lease losses	16,918	19,584	7,965
Loans and leases ending balance:
Individually evaluated for impairment	35,051	46,169	26,396
Collectively evaluated for impairment	1,558,537	1,267,017	1,114,232
Total loans and leases	1,665,748	1,421,670	1,276,542
Commercial Real Estate | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality	1,810	3,874	937
Loans and leases ending balance:
Loans acquired with deteriorated credit quality	72,160	108,484	135,914
Residential Real Estate
Allowance for loan and lease losses
Beginning balance	2,400	1,990	1,751
Provision (recapture)	(663)	548	67
Charge-offs	124	274	113
Recoveries	15	136	285
Ending balance	1,628	2,400	1,990
Ending balance:
Individually evaluated for impairment	0	78	124
Collectively evaluated for impairment	622	1,836	1,191
Allowance for loan and lease losses	1,628	2,400	1,990
Loans and leases ending balance:
Individually evaluated for impairment	1,802	1,830	2,398
Collectively evaluated for impairment	429,311	491,601	609,201
Total loans and leases	480,514	572,271	711,822
Residential Real Estate | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality	1,006	486	675
Loans and leases ending balance:
Loans acquired with deteriorated credit quality	49,401	78,840	100,223
Construction, Land Development, and Other Land
Allowance for loan and lease losses
Beginning balance	1,352	610	466
Provision (recapture)	(504)	1,390	144
Charge-offs	326	701	0
Recoveries	0	53	0
Ending balance	522	1,352	610
Ending balance:
Individually evaluated for impairment	0	0	0
Collectively evaluated for impairment	519	987	584
Allowance for loan and lease losses	522	1,352	610
Loans and leases ending balance:
Individually evaluated for impairment	0	0	2,644
Collectively evaluated for impairment	324,087	226,620	270,640
Total loans and leases	325,399	230,733	278,657
Construction, Land Development, and Other Land | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality	3	365	26
Loans and leases ending balance:
Loans acquired with deteriorated credit quality	1,312	4,113	5,373
Commercial and Industrial
Allowance for loan and lease losses
Beginning balance	41,183	19,377	12,932
Provision (recapture)	(219)	35,498	14,460
Charge-offs	9,015	14,182	8,171
Recoveries	1,180	490	156
Ending balance	33,129	41,183	19,377
Ending balance:
Individually evaluated for impairment	14,500	18,848	7,952
Collectively evaluated for impairment	18,265	20,598	10,287
Allowance for loan and lease losses	33,129	41,183	19,377
Loans and leases ending balance:
Individually evaluated for impairment	36,070	47,356	37,303
Collectively evaluated for impairment	1,541,877	1,311,366	1,277,353
Total loans and leases	1,581,961	1,368,900	1,331,565
Commercial and Industrial | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality	364	1,737	1,138
Loans and leases ending balance:
Loans acquired with deteriorated credit quality	4,014	10,178	16,909
Paycheck Protection Program ("PPP")
Allowance for loan and lease losses
Beginning balance	0	0
Provision (recapture)	0	0
Charge-offs	0	0
Recoveries	0	0
Ending balance	0	0	0
Ending balance:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	0	0
Loans acquired with deteriorated credit quality	0
Allowance for loan and lease losses	0	0	0
Loans and leases ending balance:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	123,712	517,815
Total loans and leases	123,712	517,815
Paycheck Protection Program ("PPP") | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality		0
Loans and leases ending balance:
Loans acquired with deteriorated credit quality	0	0
Installment and Other
Allowance for loan and lease losses
Beginning balance	15	50	49
Provision (recapture)	(6)	(35)	15
Charge-offs	0	0	16
Recoveries	0	0	2
Ending balance	9	15	50
Ending balance:
Individually evaluated for impairment	0	0	0
Collectively evaluated for impairment	7	15	50
Allowance for loan and lease losses	9	15	50
Loans and leases ending balance:
Individually evaluated for impairment	0	0	0
Collectively evaluated for impairment	1,204	1,803	6,316
Total loans and leases	1,368	2,005	6,565
Installment and Other | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality	2	0	0
Loans and leases ending balance:
Loans acquired with deteriorated credit quality	164	202	249
Lease Financing Receivables
Allowance for loan and lease losses
Beginning balance	1,813	1,944	2,463
Provision (recapture)	1,586	789	1,217
Charge-offs	1,501	1,783	2,609
Recoveries	908	863	873
Ending balance	2,806	1,813	1,944
Ending balance:
Individually evaluated for impairment	0	0	0
Collectively evaluated for impairment	2,806	1,813	1,944
Allowance for loan and lease losses	2,806	1,813	1,944
Loans and leases ending balance:
Individually evaluated for impairment	0	0	0
Collectively evaluated for impairment	358,426	227,141	180,510
Total loans and leases	358,426	227,141	180,510
Lease Financing Receivables | Loans Acquired with Deteriorated Credit Quality
Ending balance:
Loans acquired with deteriorated credit quality	0	0	0
Loans and leases ending balance:
Loans acquired with deteriorated credit quality	$ 0	$ 0	$ 0