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v3.23.3

Loans and Allowance for Loan Losses (Narrative) (Details) | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) contract | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) contract | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jun. 30, 2022 USD ($) | Dec. 31, 2021 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Interest income on non-accrual loans outstanding | $ 4,800,000 | $ 1,200,000 | $ 14,700,000 | $ 6,600,000 |  |  |  |
Interest income, cash basis method | 3,200,000 | 1,300,000 | 12,600,000 | 2,200,000 |  |  |  |
Total loans | 43,679,910,000 |  | $ 43,679,910,000 |  |  | $ 43,716,353,000 |  |
Land held for future development, period |  |  | 1 year |  |  |  |  |
Allowance for loan losses | 477,532,000 | 421,359,000 | $ 477,532,000 | 421,359,000 | $ 471,238,000 | 443,424,000 | $ 407,837,000 | $ 427,597,000
Reserve for unfunded commitments | 55,200,000 |  | 55,200,000 |  |  | 57,500,000 |  |
All financing receivable, allowance for credit loss | $ 532,700,000 |  | 532,700,000 |  |  | 500,900,000 |  |
Increase in allowance for credit loss |  |  | $ 31,800,000 |  |  |  |  |
ACL to loans ratio (as percent) | 1.22% |  | 1.22% |  |  |  |  |
Increase in ACL to loans ratio |  |  | 0.0007 |  |  |  |  |
Allowance for credit loss, reasonable and supportable forecast period (in year) |  |  | 2 years |  |  |  |  |
Allowance for credit loss, straight-line basis historical period (in year) |  |  | 1 year |  |  |  |  |
Allowance for credit loss, measurement input, estimated peak weighted average unemployment rate | 5.00% |  | 5.00% |  |  |  |  |
FDMs, subsequent default |  | $ 109,000 |  | $ 539,000 |  |  |  |
Number of contracts | contract |  | 1 |  | 4 |  |  |  |
Commitments to land additional funds to TDRs |  |  |  |  |  | 0 |  |
Total consumer |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Charge-off of previously established reserves for credit losses associated with the transfer to held for sale | $ 23,300,000 |  | $ 31,300,000 |  |  |  |  |
Reclassification to held-for-sale | 1,170,000,000 |  | 1,590,000,000 |  |  |  |  |
Allowance for loan losses | 134,702,000 | $ 140,731,000 | $ 134,702,000 | $ 140,731,000 | $ 141,525,000 | 138,299,000 | $ 143,611,000 | $ 141,473,000
Substandard |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Retail loan substandard period (in days) |  |  | 90 days |  |  |  |  |
Loss |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Retail loan charge off (in days) |  |  | 120 days |  |  |  |  |
Asset Pledged as Collateral |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Total loans | $ 22,990,000,000 |  | $ 22,990,000,000 |  |  | $ 16,090,000,000.00 |  |

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