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v3.22.0.1

Loans Receivable and Allowance for Credit Losses (Summary of Activities in Allowance for loan losses by Portfolio Segments and Unfunded Credit Commitments) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2019 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses |  |  |  |  |
Accounting Standards Update [Extensible List] | Accounting Standards Update 2016-02 |  | Accounting Standards Update 2016-13 |  | Accounting Standards Update 2016-13
Allowance for unfunded credit reserves |  |  |  |  |
Allowance for Unfunded Credit Commitments |  | $ 33,500 |  |  |
(Reversal of) provision for credit losses |  | (35,000) | $ 210,653 | $ 98,685 |
Allowance for Unfunded Credit Commitments |  | 27,500 | 33,500 |  |
Unfunded Loan Commitment |  |  |  |  |
Allowance for unfunded credit reserves |  |  |  |  |
Allowance for Unfunded Credit Commitments | $ 12,566 | 33,577 | 11,158 | 12,566 |
(Reversal of) provision for credit losses |  | (6,063) | 11,962 | (1,408) |
Allowance for Unfunded Credit Commitments |  | $ 27,514 | 33,577 | 11,158 | $ 12,566
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Allowance for unfunded credit reserves |  |  |  |  |
Allowance for Unfunded Credit Commitments |  |  | $ 10,457 |  |
Allowance for Unfunded Credit Commitments |  |  |  | $ 10,457 |

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