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	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	$ 134,192	$ 125,559	$ 170,389
Provision for (reversal of) credit losses on loans HFI	16,738	10,393	(38,995)
Recoveries of loans previously charged-off	2,899	2,941	2,033
Loans charged off	(3,503)	(4,701)	(7,868)
Balance at end of period	150,326	134,192	125,559
Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	11,106	15,751	14,748
Provision for (reversal of) credit losses on loans HFI	8,682	(4,563)	4,178
Recoveries of loans previously charged-off	273	2,005	861
Loans charged off	(462)	(2,087)	(4,036)
Balance at end of period	19,599	11,106	15,751
Construction
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	39,808	28,576	58,477
Provision for (reversal of) credit losses on loans HFI	(4,446)	11,221	(29,874)
Recoveries of loans previously charged-off	10	11	3
Loans charged off	0	0	(30)
Balance at end of period	35,372	39,808	28,576
Residential real estate: | 1-to-4 family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	26,141	19,104	19,220
Provision for (reversal of) credit losses on loans HFI	310	7,060	(87)
Recoveries of loans previously charged-off	100	54	125
Loans charged off	(46)	(77)	(154)
Balance at end of period	26,505	26,141	19,104
Residential real estate: | Residential line of credit
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	7,494	5,903	10,534
Provision for (reversal of) credit losses on loans HFI	1,973	1,574	(4,728)
Recoveries of loans previously charged-off	1	17	115
Loans charged off	0	0	(18)
Balance at end of period	9,468	7,494	5,903
Residential real estate: | Multi-family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	6,490	6,976	7,174
Provision for (reversal of) credit losses on loans HFI	2,352	(486)	(197)
Recoveries of loans previously charged-off	0	0	0
Loans charged off	0	0	(1)
Balance at end of period	8,842	6,490	6,976
Commercial real estate: | Owner-occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	7,783	12,593	4,849
Provision for (reversal of) credit losses on loans HFI	2,905	(4,883)	7,588
Recoveries of loans previously charged-off	109	88	156
Loans charged off	(144)	(15)	0
Balance at end of period	10,653	7,783	12,593
Commercial real estate: | Non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	21,916	25,768	44,147
Provision for (reversal of) credit losses on loans HFI	(784)	(3,584)	(16,813)
Recoveries of loans previously charged-off	1,833	0	0
Loans charged off	0	(268)	(1,566)
Balance at end of period	22,965	21,916	25,768
Consumer and other
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	13,454	10,888	11,240
Provision for (reversal of) credit losses on loans HFI	5,746	4,054	938
Recoveries of loans previously charged-off	573	766	773
Loans charged off	(2,851)	(2,254)	(2,063)
Balance at end of period	$ 16,922	$ 13,454	$ 10,888