Loans Receivable and Allowance for Credit Losses - Additions to TDRs (Details) $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($) loan
Current, Past Due or Nonaccrual Loans
Post-modification outstanding recorded investment	$ 9,224
Financial Impact	$ 7,545
Financing Receivable, Modifications, Number of Contracts \| loan	1
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 17,179
Commercial lending \| Commercial and industrial (“C&I”)
Current, Past Due or Nonaccrual Loans
Post-modification outstanding recorded investment	9,224
Financial Impact	$ 7,545
Financing Receivable, Modifications, Number of Contracts \| loan	1
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 17,179

Number of financing receivables that have been modified by troubled debt restructurings.

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Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

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

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+ References

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Reflects the amount of the write-down related to a troubled debt restructuring.

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