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Variable Interest Entities - Additional Information (Details) $ in Millions | Mar. 31, 2025 USD ($) Property | Dec. 31, 2024 Property
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Variable Interest Entities | Property | 24 | 31
Investments in Unconsolidated Entities [Member] | Non-Consolidated VIEs [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum exposure to loss, funding commitments | $ 11.7 |
Mortgage Revenue Bonds [Member] | Non-Consolidated VIEs [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum exposure to loss, funding commitments | 18.4 |
Taxable Mortgage Revenue Bonds [Member] | Non-Consolidated VIEs [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum exposure to loss, funding commitments | 8.4 |
Governmental Issuer Loans [Member] | Non-Consolidated VIEs [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum exposure to loss, funding commitments | 14.1 |
Taxable GILs [Member] | Non-Consolidated VIEs [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum exposure to loss, funding commitments | 24.7 |
Property Loans [Member] | Non-Consolidated VIEs [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Maximum exposure to loss, funding commitments | $ 28.8 |

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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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