Commitments and Contingencies (Details) - Loan Purchase Commitments - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2022	Dec. 31, 2020
Other Commitments [Line Items]
Minimum funding percentage of each loan	30.00%
Participation amount in loan program	$ 16.3
Loan program, guaranteed amount	5.8
Third-Party Bank
Other Commitments [Line Items]
Amount of loan participation program	$ 47.3
Third-Party Bank \| Maximum
Other Commitments [Line Items]
Amount of loan participation program		$ 100.0

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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+ Details