Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net increase (decrease) in shareholders' equity resulting from operations
Net income (loss) attributable to common stockholders	$ (129,398)	$ 15,408
Add: Net income (loss) attributable to Convertible Non-controlling Interests	(2,055)	380
Net income (loss) related to common stockholders and Convertible Non-controlling Interests	(131,453)	15,788
Dividends Paid:
Dividends	(20,057)	(16,764)
Undistributed (Distributed in excess of) earnings:
Total undistributed (distributed in excess of) earnings	$ (151,510)	$ (976)
Weighted average shares outstanding (basic and diluted):
Weighted average shares outstanding (basic and diluted) (in shares)	43,283,638	30,480,908
Basic earnings per share of common stock:
Distributed (in usd per share)	$ 0.45	$ 0.55
Undistributed (Distributed in excess of) (in usd per share)	(3.49)	(0.03)
Basic earnings per common share (in usd per share)	(3.04)	0.52
Diluted earnings per share of common stock:
Distributed (in usd per share)	0.45	0.55
Undistributed (Distributed in excess of) (usd per share)	(3.49)	(0.03)
Diluted earnings per common share (in usd per share)	$ (3.04)	$ 0.52
Net increase (decrease) in equity resulting from operations	$ 1,200	$ 700
Common Stock
Dividends Paid:
Dividends	(19,748)	(16,360)
Undistributed (Distributed in excess of) earnings:
Total undistributed (distributed in excess of) earnings	$ (149,146)	$ (952)
Weighted average shares outstanding (basic and diluted):
Weighted average shares outstanding (basic and diluted) (in shares)	42,598,138	29,747,537
Non-controlling Interest
Dividends Paid:
Dividends	$ (309)	$ (404)
Undistributed (Distributed in excess of) earnings:
Total undistributed (distributed in excess of) earnings	$ (2,364)	$ (24)
Weighted average shares outstanding (basic and diluted):
Weighted average shares outstanding (basic and diluted) (in shares)	685,500	733,371