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STOCKHOLDERS' EQUITY - Common Stock Dividend (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands							3 Months Ended
	Sep. 14, 2021	Jun. 10, 2021	Mar. 12, 2021	Sep. 09, 2020	Jun. 10, 2020	Mar. 13, 2020	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Common Stock Dividend
Total Dividend	$ 9,398	$ 9,330	$ 9,329	$ 9,198	$ 9,068	$ 9,037
Dividend Paid, Cash %	100.00%	100.00%	100.00%	75.00%	50.00%	100.00%
Dividend Paid, Stock %				25.00%	50.00%
Cash Issued	$ 9,398	$ 9,330	$ 9,329	$ 6,901	$ 4,537	$ 9,037
Stock Issued				141	263
Dividend per share							$ 0.45	$ 0.45	$ 0.45	$ 0.45	$ 0.45	$ 0.45
Common Stock
Common Stock Dividend
Share Price				$ 16.27	$ 17.22

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- Definition

Amount of common stock dividends paid in cash.

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

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