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STOCKHOLDERS' EQUITY - Depository Share Repurchases (Details) - Preferred Stock - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Impact of preferred stock redemption			$ 3,747	$ 3,347	$ (568)
Series D Depository shares
Class of Stock [Line Items]
Outstanding shares redeemed (shares)			0	3,730,767	134,410
Series D Preferred Stock
Class of Stock [Line Items]
Outstanding shares redeemed (shares)			0	93,269	3,360
Payment for redemption of shares			$ 0	$ 93,269	$ 2,698
Carrying value			0	89,922	3,240
Impact of preferred stock redemption		$ 3,300	$ 0	$ 3,347	$ (541)
Series E Depository shares
Class of Stock [Line Items]
Outstanding shares redeemed (shares)			3,948,080	0	70,967
Impact of preferred stock redemption	$ 3,700
Series E Preferred Stock
Class of Stock [Line Items]
Outstanding shares redeemed (shares)			98,702	0	1,774
Payment for redemption of shares			$ 98,703	$ 0	$ 1,680
Carrying value			94,956	0	1,707
Impact of preferred stock redemption			$ 3,747	$ 0	$ (27)

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The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer.

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The excess of (1) fair value of the consideration transferred to the holders of the preferred stock over (2) the carrying amount of the preferred stock in the registrant's balance sheet, during the accounting period.

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