Loans and Allowance for Credit Losses - Changes in Allowance for Credit Losses by Class of Financing Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	$ 125,559	$ 170,389	$ 31,139
Provision for credit losses	10,393	(38,995)	94,606
Recoveries of loans previously charged-off	2,941	2,033	3,003
Loans charged off	(4,701)	(7,868)	(15,305)
Initial allowance on loans purchased with deteriorated credit quality			25,500
Balance at end of period	134,192	125,559	170,389
Cumulative Effect, Period of Adoption, Adjustment | Non-purchased credit deteriorated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			30,888
Cumulative Effect, Period of Adoption, Adjustment | Purchased credit impaired
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			558
Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	15,751	14,748	4,805
Provision for credit losses	(4,563)	4,178	13,830
Recoveries of loans previously charged-off	2,005	861	1,712
Loans charged off	(2,087)	(4,036)	(11,735)
Initial allowance on loans purchased with deteriorated credit quality			754
Balance at end of period	11,106	15,751	14,748
Commercial and industrial | Cumulative Effect, Period of Adoption, Adjustment | Non-purchased credit deteriorated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			5,300
Commercial and industrial | Cumulative Effect, Period of Adoption, Adjustment | Purchased credit impaired
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			82
Construction
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	28,576	58,477	10,194
Provision for credit losses	11,221	(29,874)	40,807
Recoveries of loans previously charged-off	11	3	205
Loans charged off	0	(30)	(18)
Initial allowance on loans purchased with deteriorated credit quality			5,606
Balance at end of period	39,808	28,576	58,477
Construction | Cumulative Effect, Period of Adoption, Adjustment | Non-purchased credit deteriorated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			1,533
Construction | Cumulative Effect, Period of Adoption, Adjustment | Purchased credit impaired
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			150
Residential real estate: | 1-to-4 family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	19,104	19,220	3,112
Provision for credit losses	7,060	(87)	6,408
Recoveries of loans previously charged-off	54	125	122
Loans charged off	(77)	(154)	(403)
Initial allowance on loans purchased with deteriorated credit quality			1,640
Balance at end of period	26,141	19,104	19,220
Residential real estate: | 1-to-4 family mortgage | Cumulative Effect, Period of Adoption, Adjustment | Non-purchased credit deteriorated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			7,920
Residential real estate: | 1-to-4 family mortgage | Cumulative Effect, Period of Adoption, Adjustment | Purchased credit impaired
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			421
Residential real estate: | Residential line of credit
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	5,903	10,534	752
Provision for credit losses	1,574	(4,728)	5,649
Recoveries of loans previously charged-off	17	115	125
Loans charged off	0	(18)	(22)
Initial allowance on loans purchased with deteriorated credit quality			572
Balance at end of period	7,494	5,903	10,534
Residential real estate: | Residential line of credit | Cumulative Effect, Period of Adoption, Adjustment | Non-purchased credit deteriorated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			3,461
Residential real estate: | Residential line of credit | Cumulative Effect, Period of Adoption, Adjustment | Purchased credit impaired
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			(3)
Residential real estate: | Multi-family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	6,976	7,174	544
Provision for credit losses	(486)	(197)	5,506
Recoveries of loans previously charged-off	0	0	0
Loans charged off	0	(1)	0
Initial allowance on loans purchased with deteriorated credit quality			784
Balance at end of period	6,490	6,976	7,174
Residential real estate: | Multi-family mortgage | Cumulative Effect, Period of Adoption, Adjustment | Non-purchased credit deteriorated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			340
Residential real estate: | Multi-family mortgage | Cumulative Effect, Period of Adoption, Adjustment | Purchased credit impaired
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			0
Commercial real estate: | Owner-occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	12,593	4,849	4,109
Provision for credit losses	(4,883)	7,588	(1,739)
Recoveries of loans previously charged-off	88	156	83
Loans charged off	(15)	0	(304)
Initial allowance on loans purchased with deteriorated credit quality			659
Balance at end of period	7,783	12,593	4,849
Commercial real estate: | Owner-occupied | Cumulative Effect, Period of Adoption, Adjustment | Non-purchased credit deteriorated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			1,879
Commercial real estate: | Owner-occupied | Cumulative Effect, Period of Adoption, Adjustment | Purchased credit impaired
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			162
Commercial real estate: | Non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	25,768	44,147	4,621
Provision for credit losses	(3,584)	(16,813)	17,789
Recoveries of loans previously charged-off	0	0	0
Loans charged off	(268)	(1,566)	(711)
Initial allowance on loans purchased with deteriorated credit quality			15,442
Balance at end of period	21,916	25,768	44,147
Commercial real estate: | Non-owner occupied | Cumulative Effect, Period of Adoption, Adjustment | Non-purchased credit deteriorated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			6,822
Commercial real estate: | Non-owner occupied | Cumulative Effect, Period of Adoption, Adjustment | Purchased credit impaired
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			184
Consumer and other
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	10,888	11,240	3,002
Provision for credit losses	4,054	938	6,356
Recoveries of loans previously charged-off	766	773	756
Loans charged off	(2,254)	(2,063)	(2,112)
Initial allowance on loans purchased with deteriorated credit quality			43
Balance at end of period	$ 13,454	$ 10,888	11,240
Consumer and other | Cumulative Effect, Period of Adoption, Adjustment | Non-purchased credit deteriorated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			3,633
Consumer and other | Cumulative Effect, Period of Adoption, Adjustment | Purchased credit impaired
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			$ (438)