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Summary of Significant Accounting Policies - Schedule of Allowance for Credit Losses Upon Adoption of ASU 2016-13 (Details) - USD ($) $ in Thousands | Jan. 01, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
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New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |  |
Total Allowance for Credit Losses |  | $ 157,821 | $ 216,252 | $ 110,027 | $ 106,693
Accounting Standards Update 2016-13 |  |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |  |
Total Allowance for Credit Losses |  |  |  | 110,027 |
Reserve for Unfunded Commitments |  |  |  | 6,822 |
Total Reserve for Credit Losses |  |  |  | 116,849 |
Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |  |
Total Allowance for Credit Losses | $ (1,737) |  |  | (1,737) |
Reserve for Unfunded Commitments | (3,335) |  |  |  |
Total Reserve for Credit Losses | (5,072) |  |  |  |
Retained Earnings |  |  |  |  |
Total Pre-tax Impact | 5,072 |  |  |  |
Tax Effect | (1,440) |  |  |  |
Increase to Retained Earnings | 3,632 |  |  |  |
Accounting Standards Update 2016-13 | January 1, 2020 |  |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |  |
Total Allowance for Credit Losses | 108,290 |  |  | 108,290 |
Reserve for Unfunded Commitments | 3,487 |  |  |  |
Total Reserve for Credit Losses | 111,777 |  |  |  |
Accounting Standards Update 2016-13 | Commercial Loan |  |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |  |
Total Allowance for Credit Losses |  |  |  | 73,801 |
Accounting Standards Update 2016-13 | Commercial Loan | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |  |
Total Allowance for Credit Losses | (18,789) |  |  |  |
Accounting Standards Update 2016-13 | Commercial Loan | January 1, 2020 |  |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |  |
Total Allowance for Credit Losses | 55,012 |  |  |  |
Accounting Standards Update 2016-13 | Consumer Loan |  |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |  |
Total Allowance for Credit Losses |  |  |  | $ 36,226 |
Accounting Standards Update 2016-13 | Consumer Loan | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |  |
Total Allowance for Credit Losses | 17,052 |  |  |  |
Accounting Standards Update 2016-13 | Consumer Loan | January 1, 2020 |  |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |  |
Total Allowance for Credit Losses | $ 53,278 |  |  |  |

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