Loans and Allowance for Credit Losses - Loans - ACL for Loans and Amortized Cost Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: ending balance, collectively evaluated for impairment	$ 30,440		$ 14,958
Allowance for loan losses: ending balance, individually evaluated for impairment	825		189
Allowance for loan losses	31,265	$ 18,957	15,147	$ 14,597
Loans receivable: ending balance, collectively evaluated for impairment	3,597,438		3,121,531
Loans receivable: ending balance, individually evaluated for impairment	13,909		3,061
Net loans	3,611,347	3,514,119	3,113,770
Commercial portfolio \| Commercial real estate (1)
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: ending balance, collectively evaluated for impairment	13,175		9,877
Allowance for loan losses: ending balance, individually evaluated for impairment	137		114
Allowance for loan losses	13,312	13,142	9,991	9,415
Loans receivable: ending balance, collectively evaluated for impairment	1,892,504		1,722,668
Loans receivable: ending balance, individually evaluated for impairment	6,664		1,101
Net loans	1,899,168	2,052,934	1,719,458
Commercial portfolio \| Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: ending balance, collectively evaluated for impairment	10,587		3,736
Allowance for loan losses: ending balance, individually evaluated for impairment	682		75
Allowance for loan losses	11,269	4,593	3,811	3,439
Loans receivable: ending balance, collectively evaluated for impairment	604,176		586,444
Loans receivable: ending balance, individually evaluated for impairment	1,434		523
Net loans	605,610	596,042	585,921
Commercial portfolio \| Construction
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: ending balance, collectively evaluated for impairment	3,631		41
Allowance for loan losses: ending balance, individually evaluated for impairment	0		0
Allowance for loan losses	3,631	0	41	38
Loans receivable: ending balance, collectively evaluated for impairment	483,916		382,131
Loans receivable: ending balance, individually evaluated for impairment	2,256		0
Net loans	486,172	441,246	380,910
Consumer Portfolio Segment \| Residential mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: ending balance, collectively evaluated for impairment	2,868		1,045
Allowance for loan losses: ending balance, individually evaluated for impairment	6		0
Allowance for loan losses	2,874	1,319	1,045	1,019
Loans receivable: ending balance, collectively evaluated for impairment	608,872		418,830
Loans receivable: ending balance, individually evaluated for impairment	3,555		1,437
Net loans	612,427	416,221	416,023
Consumer Portfolio Segment \| Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: ending balance, collectively evaluated for impairment	179		2
Allowance for loan losses: ending balance, individually evaluated for impairment	0		0
Allowance for loan losses	179	29	2	$ 2
Loans receivable: ending balance, collectively evaluated for impairment	7,970		11,458
Loans receivable: ending balance, individually evaluated for impairment	0		0
Net loans	$ 7,970	$ 7,676	$ 11,458

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Section 50
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-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

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The balance of financing receivables that were individually evaluated for impairment.

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