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STOCKHOLDERS' EQUITY - Common Stock Dividend Distributions (Details) - USD ($) $ / shares in Units, shares in Thousands										9 Months Ended	12 Months Ended
	Mar. 12, 2021	Jan. 07, 2021	Dec. 02, 2020	Oct. 29, 2020	Sep. 09, 2020	Jul. 31, 2020	Jun. 10, 2020	Apr. 07, 2020	Mar. 13, 2020	Dec. 02, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Common Stock Dividend Distributions
Dividend per share	$ 0.45									$ 0.45		$ 1.80	$ 1.80
Total Dividend			$ 9,261,000		$ 9,198,000		$ 9,068,000		$ 9,037,000
Percentage of dividend paid in cash		100.00%		75.00%		50.00%		100.00%
Percentage of dividend paid in stock				25.00%		50.00%
Cash Issued	$ 9,330,000	$ 9,261,000		$ 6,901,000		$ 4,537,000		$ 9,037,000			$ 29,736,000	$ 35,663,000	$ 34,652,000
Stock Issued				141		263
Common Stock
Common Stock Dividend Distributions
Share Price				$ 16.27		$ 17.22

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The percentage of total common stock dividends paid in cash.

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The percentage of total common stock dividends paid in stock.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Number of shares of common stock issued as dividends during the period. Excludes stock splits.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Price of a single share of a number of saleable stocks of a company.

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