Loan and Lease Receivables and Allowance for Credit Losses - Summary of Allowance for Credit Losses and Corresponding Loan and Lease Balances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	$ 102,366	$ 90,465	$ 101,686	$ 81,924
Provision/(recapture) for credit losses	6,878	6,467	13,769	16,179
Charge-offs	(10,652)	(5,504)	(17,701)	(8,573)
Recoveries	1,138	1,237	1,976	3,135
Ending balance	99,730	92,665	99,730	92,665
Individually evaluated for impairment	23,571	25,954	23,571	25,954
Collectively evaluated for impairment	76,159	66,711	76,159	66,711
Individually evaluated for impairment	75,753	69,235	75,753	69,235
Collectively evaluated for impairment	6,815,451	5,501,282	6,815,451	5,501,282
Loans acquired with deteriorated credit quality	2,000,000		2,000,000		$ 2,200,000
Total loans and leases	6,891,204	5,570,517	6,891,204	5,570,517	6,684,306
Commercial Real Estate
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	31,440	24,738	33,237	26,061
Provision/(recapture) for credit losses	(3,627)	4,359	(2,803)	3,240
Charge-offs	(442)	(2,945)	(3,499)	(3,911)
Recoveries	481	225	917	987
Ending balance	27,852	26,377	27,852	26,377
Individually evaluated for impairment	7,329	8,555	7,329	8,555
Collectively evaluated for impairment	20,523	17,822	20,523	17,822
Individually evaluated for impairment	36,755	30,750	36,755	30,750
Collectively evaluated for impairment	2,256,953	1,932,696	2,256,953	1,932,696
Total loans and leases	2,293,708	1,963,446	2,293,708	1,963,446	2,320,312
Residential Real Estate
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	3,348	2,679	3,495	3,140
Provision/(recapture) for credit losses	(326)	(198)	(474)	(651)
Charge-offs	0	0	0	(9)
Recoveries	1	63	2	64
Ending balance	3,023	2,544	3,023	2,544
Individually evaluated for impairment	57	0	57	0
Collectively evaluated for impairment	2,966	2,544	2,966	2,544
Individually evaluated for impairment	3,788	0	3,788	0
Collectively evaluated for impairment	724,007	504,947	724,007	504,947
Total loans and leases	727,795	504,947	727,795	504,947	719,530
Construction, Land Development, and Other Land
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	2,930	3,498	2,906	3,134
Provision/(recapture) for credit losses	(207)	(1,563)	(183)	(1,199)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending balance	2,723	1,935	2,723	1,935
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	2,723	1,935	2,723	1,935
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	530,777	387,943	530,777	387,943
Total loans and leases	530,777	387,943	530,777	387,943	526,837
Commercial and Industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	56,231	51,849	53,782	41,889
Provision/(recapture) for credit losses	10,561	3,161	16,397	13,964
Charge-offs	(9,530)	(2,097)	(13,149)	(3,887)
Recoveries	322	727	554	1,674
Ending balance	57,584	53,640	57,584	53,640
Individually evaluated for impairment	16,185	17,399	16,185	17,399
Collectively evaluated for impairment	41,399	36,241	41,399	36,241
Individually evaluated for impairment	35,210	38,485	35,210	38,485
Collectively evaluated for impairment	2,589,812	2,066,265	2,589,812	2,066,265
Total loans and leases	2,625,022	2,104,750	2,625,022	2,104,750	2,448,561
Installment and Other
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	33	25	36	24
Provision/(recapture) for credit losses	(3)	17	(6)	15
Charge-offs	0	0	0	0
Recoveries	0	1	0	4
Ending balance	30	43	30	43
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	30	43	30	43
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	2,845	3,736	2,845	3,736
Total loans and leases	2,845	3,736	2,845	3,736	3,200
Lease Financing Receivables
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	8,384	7,676	8,230	7,676
Provision/(recapture) for credit losses	480	691	838	810
Charge-offs	(680)	(462)	(1,053)	(766)
Recoveries	334	221	503	406
Ending balance	8,518	8,126	8,518	8,126
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	8,518	8,126	8,518	8,126
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	711,057	605,695	711,057	605,695
Total loans and leases	$ 711,057	$ 605,695	$ 711,057	$ 605,695	$ 665,866