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CAPITAL STOCK - Schedule of Preferred Stock (Details) - USD ($) $ in Thousands |  | 6 Months Ended
--- | --- | ---
Dec. 31, 2024 | Jun. 30, 2025
Class of Stock [Line Items] |  |  |
Shares Authorized (in shares) | 63,500,000 |  | 63,500,000
Shares Issued (in shares) | 63,500,000 |  | 63,500,000
Shares Outstanding (in shares) | 63,500,000 |  | 63,500,000
Carrying Value | $ 1,536,569 | [1] | $ 1,536,569
Series F |  |  |
Class of Stock [Line Items] |  |  |
Shares Authorized (in shares) | 28,800,000 |  | 28,800,000
Shares Issued (in shares) | 28,800,000 |  | 28,800,000
Shares Outstanding (in shares) | 28,800,000 |  | 28,800,000
Carrying Value | $ 696,910 |  | $ 696,910
Contractual Rate | 6.95% |  | 6.95%
Floating Annual Rate |  |  | 4.993%
Series G |  |  |
Class of Stock [Line Items] |  |  |
Shares Authorized (in shares) | 17,000,000 |  | 17,000,000
Shares Issued (in shares) | 17,000,000 |  | 17,000,000
Shares Outstanding (in shares) | 17,000,000 |  | 17,000,000
Carrying Value | $ 411,335 |  | $ 411,335
Contractual Rate | 6.50% |  | 6.50%
Floating Annual Rate |  |  | 4.172%
Series I |  |  |
Class of Stock [Line Items] |  |  |
Shares Authorized (in shares) | 17,700,000 |  | 17,700,000
Shares Issued (in shares) | 17,700,000 |  | 17,700,000
Shares Outstanding (in shares) | 17,700,000 |  | 17,700,000
Carrying Value | $ 428,324 |  | $ 428,324
Contractual Rate | 6.75% |  | 6.75%
Floating Annual Rate |  |  | 4.989%
Redeemable Preferred Stock |  |  |
Class of Stock [Line Items] |  |  |
Floating Annual Rate |  |  | 0.26161%
[1] | (1)Derived from the audited consolidated financial statements at December 31, 2024.

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