Quarterly Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ 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
Quarterly Financial Information Disclosure [Abstract]
Net revenues	$ 159,897	$ 193,490	$ 199,147	$ 181,021	$ 170,749	$ 212,609	$ 201,728	$ 166,823	$ 733,555	$ 751,909	$ 739,818
Gross profit	13,695	34,628	29,576	2,010	26,576	55,074	39,934	16,254	79,909	137,838	121,684
Net income (loss)	4,117	24,445	5,450	(13,928)	7,934	31,622	16,823	1,318	20,084	57,697	28,598
Net income (loss) attributable to common shareholders	$ 4,163	$ 24,499	$ 5,450	$ (11,938)	$ 8,052	$ 31,695	$ 16,854	$ 1,318	$ 22,174	$ 57,919	$ 28,598
Basic earnings (loss) per common share (in dollars per share)	$ 0.03	$ 0.16	$ 0.04	$ (0.09)	$ 0.05	$ 0.21	$ 0.11	$ 0.01	$ 0.13	$ 0.39	$ 0.19
Diluted earnings (loss) per common share (in dollars per share)	$ 0.03	$ 0.16	$ 0.04	$ (0.09)	$ 0.05	$ 0.21	$ 0.11	$ 0.01	$ 0.13	$ 0.38	$ 0.19