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Loans and Allowance for Credit Losses - Industry Classification System (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Lessors of nonresidential buildings |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Principal Balances | $ 4,507,301 |
Unfunded Commitments | 1,316,573 |
Total exposure | 5,823,874 | $ 5,439,776
Lessors of residential buildings |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Principal Balances | 2,223,485 |
Unfunded Commitments | 478,166 |
Total exposure | 2,701,651 | 2,871,227
New Housing For-Sale Builders |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Principal Balances | 563,445 |
Unfunded Commitments | 956,631 |
Total exposure | 1,520,076 | 1,394,494
Music Publishers |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Principal Balances | 906,364 |
Unfunded Commitments | 504,102 |
Total exposure | $ 1,410,466 | $ 1,114,105

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 40 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481628/310-20-40-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 + Details
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