Earnings (Loss) Per Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Net Income (Loss)	$ 61,814	$ 40,934	$ 16,209	$ 1,006	$ 29,782	$ 25,359	$ 27,899	$ 22,468	$ 119,963	$ 105,508	$ 76,080
Noncontrolling interests									(40,006)	(9,859)	(551)
Net Income (Loss) Attributable to Stockholders									79,957	95,649	75,529
Preferred stockholder dividends									0	(8,337)	(8,337)
Net Income (Loss) Attributable to Common Stockholders	$ 43,315	$ 29,648	$ 11,279	$ (4,285)	$ 20,808	$ 22,000	$ 24,842	$ 19,662	$ 79,957	$ 87,312	$ 67,192
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Basic: Weighted-average number of shares outstanding (in shares)									7,620	6,963	7,174
Plus: Incremental shares from assumed conversion of dilutive instruments (in shares)									356	1,186	1,353
Diluted: Weighted-average number of shares outstanding (in shares)									7,976	8,149	8,527
Earnings per share—basic (in dollars per share)	$ 5.67	$ 3.86	$ 1.46	$ (0.58)	$ 3.02	$ 3.17	$ 3.55	$ 2.80	$ 10.49	$ 12.54	$ 9.37
Earnings per share—diluted (in dollars per share)	$ 5.40	$ 3.71	$ 1.43	$ (0.58)	$ 2.83	$ 2.95	$ 3.26	$ 2.61	$ 10.02	$ 11.74	$ 8.86