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v3.22.2.2

Loans - Narrative (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2022 USD ($) loan | Sep. 30, 2021 USD ($) loan | Sep. 30, 2022 USD ($) loan | Sep. 30, 2021 USD ($) loan | Dec. 31, 2021 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Financing Receivable, Paycheck Protection Program | $ 13,300,000 |  | $ 13,300,000 |  | $ 276,200,000 |  |  |
Financing Receivable, Paycheck Protection Program, Net of Deferred Fees | 13,200,000 |  | 13,200,000 |  | 272,000,000 |  |  |
Financing Receivable, Paycheck Protection Program, Unearned Fees | 100,000 |  | 100,000 |  | 4,200,000 |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) |  |  | 12,300,000 |  | 11,900,000 |  |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available | 2,800,000,000 |  | 2,800,000,000 |  | 2,500,000,000 |  |  |
Allowance for credit loss adjustment | 40,800,000 |  | 40,800,000 |  |  |  |  |
Nonperforming loan balances, excluding government guaranteed balances | 6,500,000 |  | 6,500,000 |  | 6,500,000 |  |  |
Other Assets |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Accrued interest receivable | 33,600,000 |  | 33,600,000 |  | 30,600,000 |  |  |
Enterprise Value Lending Portfolio Niche Segment [Member] |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Allowance for credit loss adjustment | 7,500,000 |  | 7,500,000 |  |  |  |  |
Non-Covered Loans |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Financing receivable, allowance for credit loss | 140,572,000 | $ 152,096,000 | 140,572,000 | $ 152,096,000 | 145,041,000 | $ 140,546,000 | $ 128,185,000 | $ 136,671,000
Interest income on nonaccrual loans | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |
Number of loans restructured | loan | 0 | 0 | 0 | 0 |  |  |  |
Number of troubled debt restructuring subsequently defaulted | loan | 0 | 0 | 0 | 0 |  |  |  |
Non-Covered Loans | Enterprise Value Lending Portfolio Niche Segment [Member] |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Financing receivable, allowance for credit loss | $ 19,200,000 |  | $ 19,200,000 |  |  |  |  |
Non-Covered Loans | Agriculture Portfolio Niche Segment [Member] |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Financing receivable, allowance for credit loss |  |  |  |  | $ 18,200,000 |  |  |
Cumulative Effect, Period Of Adoption, Adjustment | Non-Covered Loans |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Financing receivable, allowance for credit loss | $ 9,500,000 |  | $ 9,500,000 |  |  |  |  |

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