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Financial Guarantee Insurance Contracts - Summary of Gross Premium Receivable Roll-Forward (Direct and Assumed Contracts) (Details) $ in Thousands, € in Millions, £ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2024 USD ($) | Mar. 31, 2024 GBP (£) | Mar. 31, 2024 EUR (€) | Mar. 31, 2023 USD ($) | Mar. 31, 2023 GBP (£) | Mar. 31, 2023 EUR (€) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Insurance [Line Items] |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts, Premiums and Other Receivables | $ 3,000 |  |  | $ 5,000 |  |  | $ 4,000 | $ 5,000
Past Due Premiums Receivable | 0 |  |  |  |  |  | 0 |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Uncollectable premiums | 1,000 |  |  | 0 |  |  |  |
Other adjustments (including foreign exchange) | (1,000) |  |  | 2,000 |  |  |  |
Premium Receivable, Allowance for Credit Loss | 3,000 |  |  |  |  |  | 4,000 |
Premium Receivable, Credit Loss Expense (Reversal) | (1,000) |  |  | 0 |  |  |  |
Premium Receivable, Allowance for Credit Loss, Writeoff | 0 |  |  | 0 |  |  |  |
Premium Receivable, Allowance for Credit Loss, Recovery | 0 |  |  | 0 |  |  |  |
Financing Receivable, 90 Days or More Past Due, Still Accruing | 0 |  |  |  |  |  | 0 |
Premiums Receivable, Gross | 299,000 |  |  | 272,000 |  |  | 290,000 | 269,000
Premiums Written, Gross | 73,000 |  |  |  |  |  |  |
Proceeds from Insurance Premiums Collected | (65,000) |  |  | (48,000) |  |  |  |
Adjustments for changes in expected and contractual cash flows | (2,000) |  |  | 7,000 |  |  |  |
Accretion of premium receivable discount | 2,000 |  |  | 2,000 |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 1,418,000 |  |  | 1,307,000 |  |  | 1,415,000 | $ 1,305,000
Premiums Receivable, Net | 299,000 |  |  |  |  |  | 290,000 |
Fair Value, Recurring [Member] | Loans Receivable [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Written, Gross |  |  |  | 41,000 |  |  |  |
Loans | 2,000 |  |  |  |  |  | 2,000 |
Reported Value Measurement [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Other investments | 152,000 |  |  |  |  |  | 77,000 |
Loans | 2,000 |  |  |  |  |  | 2,000 |
Real Estate [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Other investments |  |  |  |  |  |  | 21,000 |
Real Estate [Member] | Foreign Exchange |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Other adjustments (including foreign exchange) | (1,000) |  |  | 2,000 |  |  |  |
Specialty Property & Casualty Program |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 62,000 |  |  |  |  |  | 46,000 |
Financial Guarantee |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 240,000 |  |  |  |  |  | 248,000 |
Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 138,000 |  |  |  |  |  | 140,000 |
Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 18,000 |  |  |  |  |  | 22,000 |
International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 84,000 |  |  |  |  |  | 85,000 |
I/SL [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 213,000 |  |  |  |  |  | 210,000 |
I/SL [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 130,000 |  |  |  |  |  | 133,000 |
I/SL [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 3,000 |  |  |  |  |  | 4,000 |
I/SL [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 79,000 |  |  |  |  |  | 72,000 |
IA [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 8,000 |  |  |  |  |  | 16,000 |
IA [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 3,000 |  |  |  |  |  | 3,000 |
IA [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
IA [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 5,000 |  |  |  |  |  | 13,000 |
II [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 5,000 |  |  |  |  |  | 5,000 |
II [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 5,000 |  |  |  |  |  | 5,000 |
II [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
II [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
III [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 3,000 |  |  |  |  |  | 7,000 |
III [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
III [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 3,000 |  |  |  |  |  | 7,000 |
III [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
IV [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 11,000 |  |  |  |  |  | 11,000 |
IV [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
IV [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 11,000 |  |  |  |  |  | 11,000 |
IV [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
United Kingdom, Pounds |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Ending premium receivable | 71,000 | £ 56 |  | 75,000 | £ 61 |  |  |
Euro Member Countries, Euro |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Ending premium receivable | 13,000 |  | € 12 | $ 15,000 |  | € 13 |  |
Other Public Finance Sectors [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 1,000 |  |  |  |  |  | 1,000 |
Other Public Finance Sectors [Member] | I/SL [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 1,000 |  |  |  |  |  | 1,000 |
Other Public Finance Sectors [Member] | IA [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other Public Finance Sectors [Member] | II [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other Public Finance Sectors [Member] | III [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other Public Finance Sectors [Member] | IV [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other International [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 3,000 |  |  |  |  |  | 3,000 |
Other International [Member] | I/SL [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 3,000 |  |  |  |  |  | 3,000 |
Other International [Member] | IA [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other International [Member] | II [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other International [Member] | III [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other International [Member] | IV [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Mortgage Backed And Home Equity [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 11,000 |  |  |  |  |  | 12,000 |
Mortgage Backed And Home Equity [Member] | I/SL [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Mortgage Backed And Home Equity [Member] | IA [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Mortgage Backed And Home Equity [Member] | II [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Mortgage Backed And Home Equity [Member] | III [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Mortgage Backed And Home Equity [Member] | IV [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 10,000 |  |  |  |  |  | 11,000 |
Student Loans [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 4,000 |  |  |  |  |  | 7,000 |
Student Loans [Member] | I/SL [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Student Loans [Member] | IA [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Student Loans [Member] | II [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Student Loans [Member] | III [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 3,000 |  |  |  |  |  | 7,000 |
Student Loans [Member] | IV [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other Structured Finance [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 3,000 |  |  |  |  |  | 4,000 |
Other Structured Finance [Member] | I/SL [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 3,000 |  |  |  |  |  | 4,000 |
Other Structured Finance [Member] | IA [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other Structured Finance [Member] | II [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other Structured Finance [Member] | III [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Other Structured Finance [Member] | IV [Member] | Structured Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Sovereign And Sub Sovereign [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 64,000 |  |  |  |  |  | 64,000 |
Sovereign And Sub Sovereign [Member] | I/SL [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 59,000 |  |  |  |  |  | 51,000 |
Sovereign And Sub Sovereign [Member] | IA [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 5,000 |  |  |  |  |  | 13,000 |
Sovereign And Sub Sovereign [Member] | II [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Sovereign And Sub Sovereign [Member] | III [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Sovereign And Sub Sovereign [Member] | IV [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Investor Owned And Public Utilities [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 17,000 |  |  |  |  |  | 18,000 |
Investor Owned And Public Utilities [Member] | I/SL [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 17,000 |  |  |  |  |  | 18,000 |
Investor Owned And Public Utilities [Member] | IA [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Investor Owned And Public Utilities [Member] | II [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Investor Owned And Public Utilities [Member] | III [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Investor Owned And Public Utilities [Member] | IV [Member] | International Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Housing Revenue [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 136,000 |  |  |  |  |  | 139,000 |
Housing Revenue [Member] | I/SL [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 129,000 |  |  |  |  |  | 131,000 |
Housing Revenue [Member] | IA [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 3,000 |  |  |  |  |  | 3,000 |
Housing Revenue [Member] | II [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 5,000 |  |  |  |  |  | 5,000 |
Housing Revenue [Member] | III [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | 0 |  |  |  |  |  | 0 |
Housing Revenue [Member] | IV [Member] | Public Finance [Member] |  |  |  |  |  |  |  |
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] |  |  |  |  |  |  |  |
Premiums Receivable, Gross | $ 0 |  |  |  |  |  | $ 0 |

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- Definition Past Due Premiums Receivable + References No definition available. + Details
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