Loans Receivable and Allowance for Credit Losses - Collateral-Dependent Loans Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Commercial lending
Financing Receivable Allowance for Credit Losses
Collateral dependent loan	$ 38.9	$ 37.0
Consumer lending
Financing Receivable Allowance for Credit Losses
Collateral dependent loan	$ 19.0	$ 14.0

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