Components of Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ (20,021)	$ 163,094
Net loss attributable to Noncontrolling interest	6,449	0
Net Income (Loss) Available to Common Stockholders, Basic	(13,572)	163,094
Noncontrolling Interest, Amount Represented by Preferred Stock	(6,449)	0
Net Income (Loss) Available to Common Stockholders, Diluted	$ (20,021)	$ 163,094
Weighted-average shares – basic (in shares)	15,263	15,152
Common Units and Series A Preferred Stock that are exchangeable for common share (in shares)	0	0
RSUs and PRSUs (in shares)	0	8
Weighted-average shares – diluted (in shares)	15,263	15,160
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	22,700
Restricted Stock Units and Performance Stock Units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	200
Common Units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	22,500
Series A Preferred Stock [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	200