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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares				3 Months Ended
	Mar. 11, 2020	Feb. 14, 2020	Apr. 15, 2013	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Common stock, cash dividends declared (in dollars per share)	$ 0.20				$ 0.20
Preferred Stock 7.50% Series B Cumulative Redeemable - Liquidation Preference $25.00 per Share
Preferred Stock, dividend rate				7.50%	7.50%
Dividend declared per share, preferred stock (in dollars per share)		$ 0.46875			$ 0.46875
Preferred Stock | Preferred Stock 7.50% Series B Cumulative Redeemable - Liquidation Preference $25.00 per Share
Preferred Stock, dividend rate			7.50%	7.50%	7.50%
Preferred Stock, liquidation preference per share (in dollars per share)			$ 25.00	$ 25.00		$ 25

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- Definition

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

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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