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Allowance for Credit Losses and Credit Quality of Loans, Troubled Debt Restructuring (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) Contract	Mar. 31, 2021 USD ($) Contract
Recorded Investment and Number of Modifications Designated as TDRs [Abstract]
Number of contracts | Contract	2	3
Pre-modification outstanding recorded investment	$ 118	$ 242
Post-modification outstanding recorded investment	$ 124	$ 252
Recorded Investment and Number of Modifications for TDRs Where a Concession Has Been Made and Subsequently Defaulted [Abstract]
Number of contracts | Contract	21	19
Recorded Investment	$ 911	$ 642
Consumer Loans [Member]
Recorded Investment and Number of Modifications for TDRs Where a Concession Has Been Made and Subsequently Defaulted [Abstract]
Number of contracts | Contract	1	2
Recorded Investment	$ 11	$ 18
Consumer Loans [Member] | Auto [Member]
Recorded Investment and Number of Modifications for TDRs Where a Concession Has Been Made and Subsequently Defaulted [Abstract]
Number of contracts | Contract	1	2
Recorded Investment	$ 11	$ 18
Residential [Member]
Recorded Investment and Number of Modifications Designated as TDRs [Abstract]
Number of contracts | Contract	2	3
Pre-modification outstanding recorded investment	$ 118	$ 242
Post-modification outstanding recorded investment	$ 124	$ 252
Recorded Investment and Number of Modifications for TDRs Where a Concession Has Been Made and Subsequently Defaulted [Abstract]
Number of contracts | Contract	20	17
Recorded Investment	$ 900	$ 624

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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.

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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, before troubled debt restructuring, of financing receivable to be modified.

+ 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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Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524

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Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524

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