Income (Loss) Per Share (Reconciliation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net income (loss) attributable to common stockholders - basic and diluted:
Net income (loss) attributable to the Company	$ (6,946)	$ (18,677)	$ (24,887)	$ (79,538)
Less: Dividends on preferred stock	(1,977)	(2,554)	(6,258)	(7,664)
Less: Loss on extinguishment of preferred stock - Series B	(111)	0	(4,595)	0
Undistributed net income (loss) allocated to common stockholders	(9,034)	(21,231)	(35,740)	(87,202)
Distributed and undistributed net income (loss) - basic	(9,034)	(21,231)	(35,740)	(87,202)
Distributed and undistributed net income (loss) - diluted	$ (9,034)	$ (21,231)	$ (35,740)	$ (87,202)
Weighted average common shares outstanding:
Weighted average common shares outstanding – basic (in shares)	59,207	33,923	48,954	33,103
Weighted average common shares outstanding – diluted (in shares)	59,207	33,923	48,954	33,103
Income (loss) per share - basic:
Net income (loss) allocated to common stockholders per share (in dollars per share)	$ (0.15)	$ (0.63)	$ (0.73)	$ (2.63)
Income (loss) per share - diluted:
Net income (loss) allocated to common stockholders per share (in dollars per share)	$ (0.15)	$ (0.63)	$ (0.73)	$ (2.63)