CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares				3 Months Ended		6 Months Ended
	Jul. 01, 2020	Feb. 14, 2020	Apr. 15, 2013	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 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)	$ 0.9375	$ 0.46875		$ 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