Loans Receivable - Troubled Debt Restructured TDRs (Details) - Troubled Debt Restructured Loans $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($) contract	Dec. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	19	66	152
Amortized Cost	$ 8,810	$ 45,054	$ 84,768
ACL on loans	$ 12	$ 3,100	$ 7,500
Commercial business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	9	42	98
Amortized Cost	$ 2,803	$ 43,915	$ 81,172
Commercial business \| Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	8	31	75
Amortized Cost	$ 2,556	$ 9,710	$ 36,118
Commercial business \| Owner-occupied CRE
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	1	7	14
Amortized Cost	$ 247	$ 16,565	$ 19,326
Commercial business \| Non-owner occupied CRE
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	0	4	9
Amortized Cost	$ 0	$ 17,640	$ 25,728
Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	0	1	1
Amortized Cost	$ 0	$ 178	$ 22
Real estate construction and land development
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	1	1	5
Amortized Cost	$ 5,687	$ 450	$ 2,376
Real estate construction and land development \| Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	0	0	4
Amortized Cost	$ 0	$ 0	$ 1,926
Real estate construction and land development \| Commercial and multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	1	1	1
Amortized Cost	$ 5,687	$ 450	$ 450
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	9	22	48
Amortized Cost	$ 320	$ 511	$ 1,198

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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Amount of allowance for credit losses related to recorded investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
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-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

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