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Portfolio Loans - Summarize TDRs (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020 USD ($) contract	Sep. 30, 2021 USD ($) contract	Sep. 30, 2020 USD ($) contract
Commercial
Financing Receivable, Impaired [Line Items]
Number of Contracts | contract		1	3
Commercial | Rate Modification
Financing Receivable, Impaired [Line Items]
Recorded Investment | $		$ 444	$ 324
Commercial real estate
Financing Receivable, Impaired [Line Items]
Number of Contracts | contract			1
Commercial real estate | Rate Modification
Financing Receivable, Impaired [Line Items]
Recorded Investment | $			$ 651
Retail Real Estate
Financing Receivable, Impaired [Line Items]
Number of Contracts | contract	1		2
Retail Real Estate | Payment Modification
Financing Receivable, Impaired [Line Items]
Recorded Investment | $	$ 167		$ 353

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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=121611835&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
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-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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