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Loans Receivable - Troubled Debt Restructured TDRs (Details) - Troubled Debt Restructured Loans $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($) contract	Dec. 31, 2019 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	66	152	65
Amortized Cost | $	$ 45,054	$ 84,768	$ 35,419
Commercial business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	42	98	52
Amortized Cost | $	$ 43,915	$ 81,172	$ 35,025
Commercial business | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	31	75	44
Amortized Cost | $	$ 9,710	$ 36,118	$ 31,122
Commercial business | Owner-occupied CRE
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	7	14	4
Amortized Cost | $	$ 16,565	$ 19,326	$ 1,695
Commercial business | Non-owner occupied CRE
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	4	9	4
Amortized Cost | $	$ 17,640	$ 25,728	$ 2,208
Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	1	1	0
Amortized Cost | $	$ 178	$ 22	$ 0
Real estate construction and land development
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	1	5	1
Amortized Cost | $	$ 450	$ 2,376	$ 237
Real estate construction and land development | Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	0	4	1
Amortized Cost | $	$ 0	$ 1,926	$ 237
Real estate construction and land development | Commercial and multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	1	1	0
Amortized Cost | $	$ 450	$ 450	$ 0
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	22	48	12
Amortized Cost | $	$ 511	$ 1,198	$ 157

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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 http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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

+ 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 http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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