Allowance for Credit Losses - Activity by Portfolio Segment (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 06, 2022	Mar. 31, 2023	Mar. 31, 2022
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		$ 70,264	$ 58,047
Initial allowance for credit losses on PCD loans	$ 12,077	0	12,077
Charge-offs		(139)	(7,804)
Recoveries		65	162
Provision for credit loss - loans		1,213	4,630
Balance at end of the period		71,403	67,112
Non-owner occupied commercial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		23,462	20,071
Initial allowance for credit losses on PCD loans			1,312
Charge-offs		0	(4)
Recoveries		0	0
Provision for credit loss - loans		819	2,270
Balance at end of the period		24,281	23,649
Owner occupied commercial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		6,696	3,964
Initial allowance for credit losses on PCD loans			1,137
Charge-offs		0	(34)
Recoveries		0	10
Provision for credit loss - loans		(638)	1,048
Balance at end of the period		6,058	6,125
Multifamily
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		9,425	8,309
Initial allowance for credit losses on PCD loans			4
Charge-offs		0	0
Recoveries		0	0
Provision for credit loss - loans		(415)	(13)
Balance at end of the period		9,010	8,300
Non-owner occupied residential
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		2,643	2,380
Initial allowance for credit losses on PCD loans			175
Charge-offs		0	0
Recoveries		0	14
Provision for credit loss - loans		(50)	339
Balance at end of the period		2,593	2,908
Commercial, industrial and other
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		8,836	9,891
Initial allowance for credit losses on PCD loans			2,413
Charge-offs		0	(823)
Recoveries		35	45
Provision for credit loss - loans		(760)	148
Balance at end of the period		8,111	11,674
Construction
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		2,968	838
Initial allowance for credit losses on PCD loans			6,843
Charge-offs		0	(6,807)
Recoveries		0	3
Provision for credit loss - loans		137	850
Balance at end of the period		3,105	1,727
Equipment finance
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		3,445	3,663
Initial allowance for credit losses on PCD loans			0
Charge-offs		(61)	(97)
Recoveries		15	15
Provision for credit loss - loans		1,049	(1,122)
Balance at end of the period		4,448	2,459
Residential mortgage
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		8,041	3,914
Initial allowance for credit losses on PCD loans			179
Charge-offs		0	0
Recoveries		0	48
Provision for credit loss - loans		903	1,545
Balance at end of the period		8,944	5,686
Consumer
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		4,748	5,017
Initial allowance for credit losses on PCD loans			14
Charge-offs		(78)	(39)
Recoveries		15	27
Provision for credit loss - loans		168	(435)
Balance at end of the period		$ 4,853	$ 4,584