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Allowance for Loan Losses - Loans by Credit Quality Indicators - Performing and Non-Performing (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Allowance for loan losses
Loans	$ 1,567,202	$ 1,410,060
Consumer Finance
Allowance for loan losses
Loans	465,713	368,194
Consumer Finance | Performing
Allowance for loan losses
Loans	465,170	367,814
Consumer Finance | Non-performing
Allowance for loan losses
Loans	543	380
Consumer Finance | Automobiles
Allowance for loan losses
Loans	404,708	322,067
Consumer Finance | Automobiles | Performing
Allowance for loan losses
Loans	404,165	321,687
Consumer Finance | Automobiles | Non-performing
Allowance for loan losses
Loans	543	380
Consumer Finance | Marine and recreational vehicles
Allowance for loan losses
Loans	61,005	46,127
Consumer Finance | Marine and recreational vehicles | Performing
Allowance for loan losses
Loans	$ 61,005	$ 46,127

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524

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