Comprehensive Income (Loss) per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Comprehensive Income (Loss)	$ (56,695)	$ (391,554)	$ 149,438
Less: Preferred dividends	(11,473)	(9,787)	(15,634)
Comprehensive Income (Loss) available (related) to common stockholders	$ (68,168)	$ (401,341)	$ 133,804
Net Comprehensive Income (Loss) per share available (related) to common stockholders:
Basic (in dollars per share)	$ (0.86)	$ (6.36)	$ 2.31
Diluted (in dollars per share)	$ (0.86)	$ (6.36)	$ 2.30
Weighted average common shares outstanding:
Basic (in shares)	79,490	63,070	57,833
Add: Effect of dilutive non-vested awards, assumed vested (in shares)	0	0	247
Weighted average common shares outstanding - diluted (in shares)	79,490	63,070	58,080
Potentially dilutive non-vested awards outstanding	823	496	247