Allowance for Credit Losses - Activity by Portfolio Segment (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 06, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		$ 73,965	$ 68,836	$ 70,264	$ 58,047
Initial allowance for credit losses on PCD loans	$ 12,077	0	0	0	12,077
Charge-offs		(217)	(56)	(504)	(8,229)
Recoveries		84	88	437	760
Provision for credit loss - loans		1,327	11	4,962	6,224
Balance at end of the period		75,159	68,879	75,159	68,879
Non-owner occupied commercial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		23,543	23,926	23,462	20,071
Initial allowance for credit losses on PCD loans			0		1,312
Charge-offs		0	0	0	(4)
Recoveries		0	0	0	4
Provision for credit loss - loans		(62)	294	19	2,837
Balance at end of the period		23,481	24,220	23,481	24,220
Owner occupied commercial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		6,164	6,938	6,696	3,964
Initial allowance for credit losses on PCD loans			0		1,137
Charge-offs		0	0	0	(38)
Recoveries		0	0	6	351
Provision for credit loss - loans		332	(666)	(206)	858
Balance at end of the period		6,496	6,272	6,496	6,272
Multifamily
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		9,037	8,441	9,425	8,309
Initial allowance for credit losses on PCD loans			0		4
Charge-offs		0	0	0	0
Recoveries		0	0	0	0
Provision for credit loss - loans		196	426	(192)	554
Balance at end of the period		9,233	8,867	9,233	8,867
Non-owner occupied residential
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		2,404	2,893	2,643	2,380
Initial allowance for credit losses on PCD loans			0		175
Charge-offs		0	0	0	0
Recoveries		0	0	0	14
Provision for credit loss - loans		2	(101)	(237)	223
Balance at end of the period		2,406	2,792	2,406	2,792
Commercial, industrial and other
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		8,879	10,089	8,836	9,891
Initial allowance for credit losses on PCD loans			0		2,413
Charge-offs		(14)	0	(27)	(1,128)
Recoveries		14	49	225	127
Provision for credit loss - loans		130	(1,171)	(25)	(2,336)
Balance at end of the period		9,009	8,967	9,009	8,967
Construction
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		2,732	2,937	2,968	838
Initial allowance for credit losses on PCD loans			0		6,843
Charge-offs		0	0	(13)	(6,807)
Recoveries		0	0	0	3
Provision for credit loss - loans		(148)	(48)	(371)	2,012
Balance at end of the period		2,584	2,889	2,584	2,889
Equipment finance
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		6,484	2,253	3,445	3,663
Initial allowance for credit losses on PCD loans			0		0
Charge-offs		(136)	0	(219)	(121)
Recoveries		0	23	25	102
Provision for credit loss - loans		518	258	3,615	(1,110)
Balance at end of the period		6,866	2,534	6,866	2,534
Residential mortgage
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		9,605	6,579	8,041	3,914
Initial allowance for credit losses on PCD loans			0		179
Charge-offs		0	0	0	0
Recoveries		0	0	0	48
Provision for credit loss - loans		304	861	1,868	3,299
Balance at end of the period		9,909	7,440	9,909	7,440
Consumer
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		5,117	4,780	4,748	5,017
Initial allowance for credit losses on PCD loans			0		14
Charge-offs		(67)	(56)	(245)	(131)
Recoveries		70	16	181	111
Provision for credit loss - loans		55	158	491	(113)
Balance at end of the period		$ 5,175	$ 4,898	$ 5,175	$ 4,898