Loans and Allowance for Credit Losses on Loans HFI - Schedule of Changes in Allowance for Credit Losses on Loans HFI by Class of Financing Receivable (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	$ 151,667	$ 138,809	$ 150,326	$ 134,192
Provision for (reversal of) credit losses on loans HFI	3,940	2,575	5,792	7,572
Recoveries of loans previously charged-off	361	172	777	559
Loans charged off	(913)	(892)	(1,840)	(1,659)
Balance at end of period	155,055	140,664	155,055	140,664
Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	17,272	11,117	19,599	11,106
Provision for (reversal of) credit losses on loans HFI	5,264	192	2,966	182
Recoveries of loans previously charged-off	20	13	34	80
Loans charged off	(26)	(11)	(69)	(57)
Balance at end of period	22,530	11,311	22,530	11,311
Construction
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	37,308	41,025	35,372	39,808
Provision for (reversal of) credit losses on loans HFI	(3,138)	(1,115)	(1,110)	102
Recoveries of loans previously charged-off	0	10	0	10
Loans charged off	0	0	(92)	0
Balance at end of period	34,170	39,920	34,170	39,920
Residential real estate: | 1-to-4 family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	26,128	27,213	26,505	26,141
Provision for (reversal of) credit losses on loans HFI	(214)	185	(647)	1,258
Recoveries of loans previously charged-off	10	25	66	40
Loans charged off	(293)	(16)	(293)	(32)
Balance at end of period	25,631	27,407	25,631	27,407
Residential real estate: | Residential line of credit
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	9,918	9,034	9,468	7,494
Provision for (reversal of) credit losses on loans HFI	179	151	649	1,691
Recoveries of loans previously charged-off	0	0	0	0
Loans charged off	0	0	(20)	0
Balance at end of period	10,097	9,185	10,097	9,185
Residential real estate: | Multi-family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	8,973	6,619	8,842	6,490
Provision for (reversal of) credit losses on loans HFI	(163)	209	(32)	338
Recoveries of loans previously charged-off	0	0	0	0
Loans charged off	0	0	0	0
Balance at end of period	8,810	6,828	8,810	6,828
Commercial real estate: | Owner-occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	10,749	7,952	10,653	7,783
Provision for (reversal of) credit losses on loans HFI	375	643	431	746
Recoveries of loans previously charged-off	188	16	228	82
Loans charged off	0	(144)	0	(144)
Balance at end of period	11,312	8,467	11,312	8,467
Commercial real estate: | Non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	23,949	21,868	22,965	21,916
Provision for (reversal of) credit losses on loans HFI	594	1,009	1,578	961
Recoveries of loans previously charged-off	0	0	0	0
Loans charged off	0	0	0	0
Balance at end of period	24,543	22,877	24,543	22,877
Consumer and other
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	17,370	13,981	16,922	13,454
Provision for (reversal of) credit losses on loans HFI	1,043	1,301	1,957	2,294
Recoveries of loans previously charged-off	143	108	449	347
Loans charged off	(594)	(721)	(1,366)	(1,426)
Balance at end of period	$ 17,962	$ 14,669	$ 17,962	$ 14,669