Allowance for Credit Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, individually evaluated for impairment	$ 9,552		$ 16,268
Loans, Collectively evaluated for impairment	8,017,176		7,766,319
Loans, Acquired with deteriorated credit quality	74,559		83,463
Loans	8,101,287		7,866,050
Allowance for credit losses, Individually evaluated for impairment	3,190		4,091
Allowance for credit losses, Collectively evaluated for impairment	70,775		66,173
Allowance for Credit Losses	73,965	$ 71,403	70,264	$ 68,836	$ 67,112	$ 58,047
Non-owner occupied commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, individually evaluated for impairment	0		0
Loans, Collectively evaluated for impairment	2,962,009		2,871,950
Loans, Acquired with deteriorated credit quality	29,115		34,064
Loans	2,991,124		2,906,014
Allowance for credit losses, Individually evaluated for impairment	591		753
Allowance for credit losses, Collectively evaluated for impairment	22,952		22,709
Allowance for Credit Losses	23,543	24,281	23,462	23,926	23,649	20,071
Owner occupied commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, individually evaluated for impairment	7,498		12,041
Loans, Collectively evaluated for impairment	1,160,453		1,202,919
Loans, Acquired with deteriorated credit quality	33,098		31,229
Loans	1,201,049		1,246,189
Allowance for credit losses, Individually evaluated for impairment	906		983
Allowance for credit losses, Collectively evaluated for impairment	5,258		5,713
Allowance for Credit Losses	6,164	6,058	6,696	6,938	6,125	3,964
Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, individually evaluated for impairment	0		0
Loans, Collectively evaluated for impairment	1,308,261		1,254,412
Loans, Acquired with deteriorated credit quality	5,994		6,402
Loans	1,314,255		1,260,814
Allowance for credit losses, Individually evaluated for impairment	16		5
Allowance for credit losses, Collectively evaluated for impairment	9,021		9,420
Allowance for Credit Losses	9,037	9,010	9,425	8,441	8,300	8,309
Non-owner occupied residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, individually evaluated for impairment	523		441
Loans, Collectively evaluated for impairment	204,260		216,516
Loans, Acquired with deteriorated credit quality	1,035		1,069
Loans	205,818		218,026
Allowance for credit losses, Individually evaluated for impairment	15		16
Allowance for credit losses, Collectively evaluated for impairment	2,389		2,627
Allowance for Credit Losses	2,404	2,593	2,643	2,893	2,908	2,380
Commercial, industrial and other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, individually evaluated for impairment	1,531		2,806
Loans, Collectively evaluated for impairment	589,290		594,568
Loans, Acquired with deteriorated credit quality	3,969		9,337
Loans	594,790		606,711
Allowance for credit losses, Individually evaluated for impairment	1,508		2,150
Allowance for credit losses, Collectively evaluated for impairment	7,371		6,686
Allowance for Credit Losses	8,879	8,111	8,836	10,089	11,674	9,891
Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, individually evaluated for impairment	0		980
Loans, Collectively evaluated for impairment	354,918		379,120
Loans, Acquired with deteriorated credit quality	0		0
Loans	354,918		380,100
Allowance for credit losses, Individually evaluated for impairment	0		0
Allowance for credit losses, Collectively evaluated for impairment	2,732		2,968
Allowance for Credit Losses	2,732	3,105	2,968	2,937	1,727	838
Equipment finance
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, individually evaluated for impairment	0		0
Loans, Collectively evaluated for impairment	173,469		151,574
Loans, Acquired with deteriorated credit quality	0		0
Loans	173,469		151,574
Allowance for credit losses, Individually evaluated for impairment	0		0
Allowance for credit losses, Collectively evaluated for impairment	6,484		3,445
Allowance for Credit Losses	6,484	4,448	3,445	2,253	2,459	3,663
Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, individually evaluated for impairment	0		0
Loans, Collectively evaluated for impairment	920,903		764,340
Loans, Acquired with deteriorated credit quality	1,206		1,212
Loans	922,109		765,552
Allowance for credit losses, Individually evaluated for impairment	154		181
Allowance for credit losses, Collectively evaluated for impairment	9,451		7,860
Allowance for Credit Losses	9,605	8,944	8,041	6,579	5,686	3,914
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, individually evaluated for impairment	0		0
Loans, Collectively evaluated for impairment	343,613		330,920
Loans, Acquired with deteriorated credit quality	142		150
Loans	343,755		331,070
Allowance for credit losses, Individually evaluated for impairment	0		3
Allowance for credit losses, Collectively evaluated for impairment	5,117		4,745
Allowance for Credit Losses	$ 5,117	$ 4,853	$ 4,748	$ 4,780	$ 4,584	$ 5,017