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CAPITAL STOCK - Schedule of Preferred Stock (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Class of Stock [Line Items] |  |  |
Shares Authorized (in shares) | 85,150,000 | 85,150,000 |
Shares Issued (in shares) | 81,900,000 | 81,900,000 |
Shares Outstanding (in shares) | 81,900,000 | 81,900,000 |
Carrying Value | $ 1,982,026 | $ 1,982,026 | [1]
Series C |  |  |
Class of Stock [Line Items] |  |  |
Shares Outstanding (in shares) | 0 | 0 |
Series D |  |  |
Class of Stock [Line Items] |  |  |
Shares Authorized (in shares) | 18,400,000 | 18,400,000 |
Shares Issued (in shares) | 18,400,000 | 18,400,000 |
Shares Outstanding (in shares) | 18,400,000 | 18,400,000 |
Carrying Value | $ 445,457 | $ 445,457 |
Contractual Rate | 7.50% |  |
Series H |  |  |
Class of Stock [Line Items] |  |  |
Shares Outstanding (in shares) | 0 | 0 |
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% |  |
Floating annual rate | 4.993% |  |
Series G |  |  |
Class of Stock [Line Items] |  |  |
Shares Authorized (in shares) | 19,550,000 | 19,550,000 |
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% |  |
Floating annual rate | 4.172% |  |
Series I |  |  |
Class of Stock [Line Items] |  |  |
Shares Authorized (in shares) | 18,400,000 | 18,400,000 |
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% |  |
Floating annual rate | 4.989% |  |
[1] | Derived from the audited consolidated financial statements at December 31, 2019.

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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 No definition available. + Details
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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