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Loans And Allowance For Loan Losses - Schedule Of Allowances For Loan Losses And Recorded Investment In Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | $ 605,736 | $ 281,402 | $ 250,555
Charge-offs | (105,232) | (119,262) | (79,135)
Recoveries | 27,444 | 24,550 | 21,523
Provision for (reversal of) loan losses | (100,351) | 336,052 | 87,720
Transfer of unfunded commitment reserve |  |  | 739
Ending balance | 427,597 | 605,736 | 281,402
Cumulative Effect, Period of Adoption, Adjustment |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance |  | 82,994 |
Ending balance |  |  | 82,994
Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | 605,736 | 364,396 |
Ending balance |  | 605,736 | 364,396
Commercial and industrial |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | 229,555 | 145,782 | 133,123
Charge-offs | (59,457) | (76,260) | (49,572)
Recoveries | 9,734 | 13,544 | 7,827
Provision for (reversal of) loan losses | 8,532 | 148,799 | 53,665
Transfer of unfunded commitment reserve |  |  | 739
Ending balance | 188,364 | 229,555 | 145,782
Commercial and industrial | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance |  | (2,310) |
Ending balance |  |  | (2,310)
Commercial and industrial | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | 229,555 | 143,472 |
Ending balance |  | 229,555 | 143,472
Commercial real estate |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | 130,742 | 67,430 | 68,796
Charge-offs | (15,392) | (13,213) | (5,540)
Recoveries | 7,444 | 2,857 | 8,618
Provision for (reversal of) loan losses | (25,034) | 74,319 | (4,444)
Transfer of unfunded commitment reserve |  |  | 0
Ending balance | 97,760 | 130,742 | 67,430
Commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance |  | (651) |
Ending balance |  |  | (651)
Commercial real estate | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | 130,742 | 66,779 |
Ending balance |  | 130,742 | 66,779
Consumer |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | 245,439 | 68,190 | 48,636
Charge-offs | (30,383) | (29,789) | (24,023)
Recoveries | 10,266 | 8,149 | 5,078
Provision for (reversal of) loan losses | (83,849) | 112,934 | 38,499
Transfer of unfunded commitment reserve |  |  | 0
Ending balance | 141,473 | 245,439 | 68,190
Consumer | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance |  | 85,955 |
Ending balance |  |  | 85,955
Consumer | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | $ 245,439 | 154,145 |
Ending balance |  | $ 245,439 | $ 154,145

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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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