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STOCKHOLDERS' EQUITY - Depository Share Repurchases (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Class of Stock [Line Items] |  |  |  |
Payment for redemption of shares |  | $ 93,269 |  | $ 46,396
Carrying Value |  | 94,956 | $ 184,878 |
Preferred Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Payment for redemption of shares |  | 89,922 |  | 41,303
Carrying Value |  | 94,956 | 184,878 |
Impact of preferred stock redemption |  | $ 3,347 | $ (568) | $ 5,093
Preferred Stock | Series D Depository shares |  |  |  |
Class of Stock [Line Items] |  |  |  |
Outstanding shares redeemed (shares) |  | 3,730,767 | 134,410 | 734,823
Preferred Stock | Series D Preferred Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Outstanding shares redeemed (shares) |  | 93,269 | 3,360 | 18,371
Payment for redemption of shares |  | $ 93,269 | $ 2,698 | $ 19,392
Carrying Value |  | 0 | 89,922 |
Impact of preferred stock redemption | $ 3,300 | $ 3,347 | $ (541) | $ 1,681
Preferred Stock | Series E Depository shares |  |  |  |
Class of Stock [Line Items] |  |  |  |
Outstanding shares redeemed (shares) |  | 0 | 70,967 | 980,928
Preferred Stock | Series E Preferred Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Outstanding shares redeemed (shares) |  | 0 | 1,774 | 24,523
Payment for redemption of shares |  | $ 0 | $ 1,680 | $ 27,005
Carrying Value |  | 94,956 | 94,956 |
Impact of preferred stock redemption |  | $ 0 | $ (27) | $ 3,412

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- Definition Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. + 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=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 + Details
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- Definition The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share. + References No definition available. + Details
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