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v3.23.3

NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - NARRATIVE (Details) - USD ($) | Jul. 16, 2021 | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Outstanding amount |  | $ 1,140,100,000 | $ 1,138,800,000
Line of Credit | Revolving Credit Agreement |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit maximum borrowing capacity | $ 250,000,000 |  |
Total capitalization percentage | 15.00% |  |
Debt covenant, required minimum debt to total capitalization ratio | 35.00% |  |
Debt covenant, actual debt to total capitalization ratio at period end |  | 21.50% |
Debt covenant, minimum required consolidated net worth, component one, amount | $ 2,674,000,000 |  |
Debt covenant, minimum required consolidated net worth, component two, as a percent of net equity proceeds received from issuance and sale of equity interests | 25.00% |  |
Debt covenant, actual consolidated net worth at period end |  | $ 3,846,800,000 |
Debt covenant, required minimum consolidated net worth, amount |  | 2,696,500,000 |
Outstanding amount |  | $ 0 | $ 0
Line of Credit | Revolving Credit Agreement | SOFR | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 1.375% |  |
Line of Credit | Revolving Credit Agreement | SOFR | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 2.125% |  |
Line of Credit | Revolving Credit Agreement | Base Rate | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 0.375% |  |
Line of Credit | Revolving Credit Agreement | Base Rate | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 1.125% |  |
Line of Credit | Revolving Credit Agreement | Credit Spread Adjustment (SOFR) |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 0.10% |  |

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