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Loans and Lease Receivables and Allowance for Credit Losses - Additional Information 1 (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Risk ratings for loans |  | $ 1,000,000 |  |
Individually evaluated for impairment Increases |  | 78,498,000 | $ 113,494,000 | $ 92,225,000
Allowance for credit losses period increase decrease |  | (3,700,000) | 19,800,000 | 26,900,000
Provision recapture |  | 28,286,000 | 32,220,000 | 22,674,000
Charge-offs |  |  |  | 121,000
Recorded investment in troubled debt restructurings that subsequently defaulted within twelve months |  |  |  | 0
Interest income on non-accrual loans and leases |  | $ 502,353,000 | 440,984,000 | 273,412,000
Loans receivable, weighted average rate of interest |  | 2.69% |  |
Commitments outstanding on modified loans |  | $ 2,100,000 | 9,100,000 |
Assessment of modified loans |  |  | 500,000,000 |
Inland Acquisition |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Allowance for credit losses period increase decrease |  |  | 8,100,000 |
Impact of CECL Adoption |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Allowance for credit losses period increase decrease | $ 12,200,000 |  |  |
Commercial Real Estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Individually evaluated for impairment Increases |  | 36,421,000 | 64,339,000 | 37,959,000
Provision recapture |  | (1,172,000) | 7,237,000 | 5,252,000
Non-accrual loans without allowance |  | 6,000,000 | 1,600,000 |
Financing receivable excluding accrued interest modified subsequent default |  | $ 2,800,000 |  |
Percentage of outstanding commercial and industrial loans |  | 0.11% |  |
Commercial and Industrial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Individually evaluated for impairment Increases |  | $ 40,712,000 | 44,749,000 | 47,846,000
Provision recapture |  | 28,849,000 | 23,402,000 | 12,002,000
Non-accrual loans without allowance |  | 3,800,000 | 2,300,000 |
Financing receivable excluding accrued interest modified subsequent default |  |  | $ 406,000,000 |
Percentage of outstanding commercial and industrial loans |  |  | 0.02% |
Residential Real Estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Individually evaluated for impairment Increases |  | 1,365,000 | $ 3,593,000 | 879,000
Provision recapture |  | (587,000) | (402,000) | 907,000
Non-accrual loans without allowance |  | 790,000 | 3,600,000 |
Individually Evaluated For Impairment |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Allowance for credit losses period increase decrease |  | (3,700,000) | 11,900,000 | 6,900,000
Individually Evaluated For Impairment | Commercial Real Estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Individually evaluated for impairment Increases |  | 34,100,000 | 410,800,000 | 243,700,000
Allowance for credit losses period increase decrease |  |  | 7,200,000 | 2,800,000
Individually Evaluated For Impairment | Commercial and Industrial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Individually evaluated for impairment Increases |  | 168,600,000 | 391,500,000 | 474,400,000
Allowance for credit losses period increase decrease |  | 2,800,000 | 11,900,000 | 7,500,000
Purchased Credit Deteriorated Loan |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Allowance for credit losses period increase decrease |  | (5,800,000) | 10,600,000 | (1,600,000)
Provision recapture |  |  | 1,200,000 |
Charge-offs |  |  | 1,200,000 |
Allowance for loan and lease loss decrease in loans outstanding |  |  |  | 47,000,000
Net recoveries on PCD loans |  |  |  | $ 341,000,000
Non Accrual Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Interest income on non-accrual loans and leases |  | $ 2,700,000 | $ 3,800,000 |

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- Definition The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
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