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	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	$ 59,458	$ 65,590	$ 55,012	$ 66,347
Provisions (recapture)	5,908	(1,969)	10,903	2,398
Charge-offs	(3,475)	(2,416)	(4,541)	(7,882)
Recoveries	545	514	1,062	856
Ending balance	62,436	61,719	62,436	61,719
Individually evaluated for impairment	17,339	25,590	17,339	25,590
Collectively evaluated for impairment	42,631	32,259	42,631	32,259
Loans acquired with deteriorated credit quality	2,466	3,870	2,466	3,870
Allowance for loan and lease losses	62,436	61,719	62,436	61,719	$ 55,012
Individually evaluated for impairment	83,699	95,119	83,699	95,119
Collectively evaluated for impairment	4,979,822	4,205,992	4,979,822	4,205,992
Total loans and leases	5,168,071	4,469,457	5,168,071	4,469,457	4,537,128
Loans Acquired with Deteriorated Credit Quality
Financing Receivable Allowance For Credit Losses [Line Items]
Loans acquired with deteriorated credit quality	104,550	168,346	104,550	168,346
Commercial Real Estate
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	19,706	20,498	16,918	19,584
Provisions (recapture)	566	(823)	3,350	1,783
Charge-offs	(497)	(202)	(737)	(2,080)
Recoveries	43	68	287	254
Ending balance	19,818	19,541	19,818	19,541
Individually evaluated for impairment	6,002	7,607	6,002	7,607
Collectively evaluated for impairment	12,576	9,743	12,576	9,743
Loans acquired with deteriorated credit quality	1,240	2,191	1,240	2,191
Allowance for loan and lease losses	19,818	19,541	19,818	19,541	16,918
Individually evaluated for impairment	45,200	54,182	45,200	54,182
Collectively evaluated for impairment	1,794,663	1,357,381	1,794,663	1,357,381
Total loans and leases	1,899,938	1,502,876	1,899,938	1,502,876	1,665,748
Commercial Real Estate | Loans Acquired with Deteriorated Credit Quality
Financing Receivable Allowance For Credit Losses [Line Items]
Loans acquired with deteriorated credit quality	60,075	91,313	60,075	91,313
Residential Real Estate
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	2,145	2,091	1,628	2,400
Provisions (recapture)	339	(730)	852	(1,032)
Charge-offs	0	0	0	(11)
Recoveries	5	3	9	7
Ending balance	2,489	1,364	2,489	1,364
Individually evaluated for impairment	0	52	0	52
Collectively evaluated for impairment	1,680	978	1,680	978
Loans acquired with deteriorated credit quality	809	334	809	334
Allowance for loan and lease losses	2,489	1,364	2,489	1,364	1,628
Individually evaluated for impairment	5,188	1,421	5,188	1,421
Collectively evaluated for impairment	436,081	453,456	436,081	453,456
Total loans and leases	481,171	522,278	481,171	522,278	480,514
Residential Real Estate | Loans Acquired with Deteriorated Credit Quality
Financing Receivable Allowance For Credit Losses [Line Items]
Loans acquired with deteriorated credit quality	39,902	67,401	39,902	67,401
Construction, Land Development, and Other Land
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	1,116	785	522	1,352
Provisions (recapture)	676	(166)	1,270	(407)
Charge-offs	0	0	0	(326)
Recoveries	0	0	0	0
Ending balance	1,792	619	1,792	619
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	1,764	611	1,764	611
Loans acquired with deteriorated credit quality	28	8	28	8
Allowance for loan and lease losses	1,792	619	1,792	619	522
Individually evaluated for impairment	5,541	0	5,541	0
Collectively evaluated for impairment	428,782	271,918	428,782	271,918
Total loans and leases	435,507	273,926	435,507	273,926	325,399
Construction, Land Development, and Other Land | Loans Acquired with Deteriorated Credit Quality
Financing Receivable Allowance For Credit Losses [Line Items]
Loans acquired with deteriorated credit quality	1,184	2,008	1,184	2,008
Commercial and Industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	33,244	40,302	33,129	41,183
Provisions (recapture)	3,852	(502)	4,310	1,444
Charge-offs	(2,654)	(1,829)	(3,117)	(4,716)
Recoveries	293	313	413	373
Ending balance	34,735	38,284	34,735	38,284
Individually evaluated for impairment	11,337	17,931	11,337	17,931
Collectively evaluated for impairment	23,012	19,016	23,012	19,016
Loans acquired with deteriorated credit quality	386	1,337	386	1,337
Allowance for loan and lease losses	34,735	38,284	34,735	38,284	33,129
Individually evaluated for impairment	27,770	39,516	27,770	39,516
Collectively evaluated for impairment	1,866,381	1,369,275	1,866,381	1,369,275
Total loans and leases	1,897,383	1,416,235	1,897,383	1,416,235	1,581,961
Commercial and Industrial | Loans Acquired with Deteriorated Credit Quality
Financing Receivable Allowance For Credit Losses [Line Items]
Loans acquired with deteriorated credit quality	3,232	7,444	3,232	7,444
Paycheck Protection Program
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	0	0	0	0
Provisions (recapture)	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending balance	0	0	0	0
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	0	0	0	0
Loans acquired with deteriorated credit quality	0	0	0	0
Allowance for loan and lease losses	0	0	0	0	0
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	10,391	476,282	10,391	476,282
Total loans and leases	10,391	476,282	10,391	476,282	123,712
Paycheck Protection Program | Loans Acquired with Deteriorated Credit Quality
Financing Receivable Allowance For Credit Losses [Line Items]
Loans acquired with deteriorated credit quality	0	0	0	0
Installment and Other
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	10	12	9	15
Provisions (recapture)	1	(3)	2	(6)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending balance	11	9	11	9
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	8	9	8	9
Loans acquired with deteriorated credit quality	3	0	3	0
Allowance for loan and lease losses	11	9	11	9	9
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	1,153	1,293	1,153	1,293
Total loans and leases	1,310	1,473	1,310	1,473	1,368
Installment and Other | Loans Acquired with Deteriorated Credit Quality
Financing Receivable Allowance For Credit Losses [Line Items]
Loans acquired with deteriorated credit quality	157	180	157	180
Lease Financing Receivables
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	3,237	1,902	2,806	1,813
Provisions (recapture)	474	255	1,119	616
Charge-offs	(324)	(385)	(687)	(749)
Recoveries	204	130	353	222
Ending balance	3,591	1,902	3,591	1,902
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	3,591	1,902	3,591	1,902
Loans acquired with deteriorated credit quality	0	0	0	0
Allowance for loan and lease losses	3,591	1,902	3,591	1,902	2,806
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	442,371	276,387	442,371	276,387
Total loans and leases	442,371	276,387	442,371	276,387	$ 358,426
Lease Financing Receivables | Loans Acquired with Deteriorated Credit Quality
Financing Receivable Allowance For Credit Losses [Line Items]
Loans acquired with deteriorated credit quality	$ 0	$ 0	$ 0	$ 0