REDEEMABLE PREFERRED STOCK - Dividends Narrative (Details) - USD ($)		3 Months Ended
	Dec. 29, 2021	Mar. 31, 2022	Mar. 31, 2022	Mar. 31, 2021
Class of Stock [Line Items]
Initial dividend on common stock	$ 7,010,799
Initial dividend, common stock, paid		$ 1,986,000	$ 1,753,000	$ 1,112,000
Payments on preferred stock dividends			$ 11,166,000	10,630,000
Series A Preferred Stock
Class of Stock [Line Items]
Cumulative dividend rate			5.50%
Preferred dividend per share per quarter (in usd per share)			$ 0.34375
Payments on preferred stock dividends			$ 2,700,000	2,200,000
Series D Preferred Stock
Class of Stock [Line Items]
Cumulative dividend rate			5.65%
Preferred dividend per share per quarter (in usd per share)			$ 0.35313
Payments on preferred stock dividends			$ 20,000	7,000
Series L Preferred Stock
Class of Stock [Line Items]
Cumulative dividend rate			5.50%
Preferred dividend per share per quarter (in usd per share)			$ 1.56035
Dividend increase per year for failure to timely declare or pay dividends			1.00%
Dividend increase per year for failure to timely declare or pay dividends, maximum increase			8.50%
Payments on preferred stock dividends			$ 8,400,000	$ 8,400,000