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Debt Instrument, Covenant, Maximum Required Debt To Total Capitalization Ratio

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Debt Instrument, Covenant, Required Minimum Consolidated Net Worth, Amount

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Debt Instrument, Covenant, Required Minimum Consolidated Net Worth, Component One, Amount

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Debt Instrument, Covenant, Required Minimum Net Worth, Component Two, Percent Of Net Equity Proceeds Received From Issuance And Sale Of Equity Interests

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - NARRATIVE (Details) - USD ($)	May 08, 2025	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Notes payable – direct corporate obligations		$ 1,336,000,000	$ 1,335,600,000
Credit Agreement \| Revolving Credit Agreement
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity	$ 250,000,000.0
Total capitalization percentage	15.00%
Revolving Credit Facility \| Revolving Credit Agreement
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity	$ 200,000,000
Debt covenant, required minimum debt to total capitalization ratio	35.00%
Debt covenant, actual debt to total capitalization ratio at period end		24.00%
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		$ 3,716,000,000
Debt covenant, required minimum consolidated net worth, amount		2,675,600,000
Notes payable – direct corporate obligations		$ 0
Revolving Credit Facility \| Revolving Credit Agreement \| Minimum \| SOFR
Debt Instrument [Line Items]
Basis spread on variable rate	1.125%
Revolving Credit Facility \| Revolving Credit Agreement \| Minimum \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.125%
Revolving Credit Facility \| Revolving Credit Agreement \| Maximum \| SOFR
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
Revolving Credit Facility \| Revolving Credit Agreement \| Maximum \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%