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		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	$ 155,055	$ 140,664	$ 150,326	$ 134,192
Provision for (reversal of) credit losses on loans HFI	1,856	6,031	7,648	13,603
Recoveries of loans previously charged-off	264	235	1,041	794
Loans charged off	(915)	(796)	(2,755)	(2,455)
Balance at end of period	156,260	146,134	156,260	146,134
Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	22,530	11,311	19,599	11,106
Provision for (reversal of) credit losses on loans HFI	1,670	6,293	4,636	6,475
Recoveries of loans previously charged-off	23	112	57	192
Loans charged off	(90)	(154)	(159)	(211)
Balance at end of period	24,133	17,562	24,133	17,562
Construction
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	34,170	39,920	35,372	39,808
Provision for (reversal of) credit losses on loans HFI	(3,612)	(2,025)	(4,722)	(1,923)
Recoveries of loans previously charged-off	0	0	0	10
Loans charged off	0	0	(92)	0
Balance at end of period	30,558	37,895	30,558	37,895
Residential real estate: | 1-to-4 family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	25,631	27,407	26,505	26,141
Provision for (reversal of) credit losses on loans HFI	341	(1,724)	(306)	(466)
Recoveries of loans previously charged-off	9	16	75	56
Loans charged off	(2)	(4)	(295)	(36)
Balance at end of period	25,979	25,695	25,979	25,695
Residential real estate: | Residential line of credit
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	10,097	9,185	9,468	7,494
Provision for (reversal of) credit losses on loans HFI	662	(23)	1,311	1,668
Recoveries of loans previously charged-off	18	1	18	1
Loans charged off	(53)	0	(73)	0
Balance at end of period	10,724	9,163	10,724	9,163
Residential real estate: | Multi-family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	8,810	6,828	8,842	6,490
Provision for (reversal of) credit losses on loans HFI	834	20	802	358
Recoveries of loans previously charged-off	0	0	0	0
Loans charged off	0	0	0	0
Balance at end of period	9,644	6,848	9,644	6,848
Commercial real estate: | Owner-occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	11,312	8,467	10,653	7,783
Provision for (reversal of) credit losses on loans HFI	243	2,046	674	2,792
Recoveries of loans previously charged-off	12	13	240	95
Loans charged off	0	0	0	(144)
Balance at end of period	11,567	10,526	11,567	10,526
Commercial real estate: | Non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	24,543	22,877	22,965	21,916
Provision for (reversal of) credit losses on loans HFI	98	(130)	1,676	831
Recoveries of loans previously charged-off	0	0	0	0
Loans charged off	0	0	0	0
Balance at end of period	24,641	22,747	24,641	22,747
Consumer and other
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	17,962	14,669	16,922	13,454
Provision for (reversal of) credit losses on loans HFI	1,620	1,574	3,577	3,868
Recoveries of loans previously charged-off	202	93	651	440
Loans charged off	(770)	(638)	(2,136)	(2,064)
Balance at end of period	$ 19,014	$ 15,698	$ 19,014	$ 15,698