Supplemental Guarantor Financial Information - Prior Year Information (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Condensed Consolidated Statements of Comprehensive (Loss) Income
Revenues	$ 267,834	$ 306,602	$ 1,093,999
(Loss) income from operations	23,470	15,748	53,788
Net income	5,873	5,749	19,137
Net income (loss) attributable to controlling interests and available to common shareholders	5,876	$ 5,755	19,144
Total current assets	483,540		462,013
Total noncurrent assets			1,369,432
Total current liabilities	475,812		475,985
Total noncurrent liabilities			976,044
Eliminations
Condensed Consolidated Statements of Comprehensive (Loss) Income
Revenues	(17,979)		(70,791)
(Loss) income from operations	12		871
Net income	(9,413)		(31,555)
Net income (loss) attributable to controlling interests and available to common shareholders	(9,410)		(31,548)
Total current assets	0		0
Total noncurrent assets			(2,359,658)
Total current liabilities	(27,902)		(17,705)
Total noncurrent liabilities			(1,386,816)
Parent | Reportable Legal Entities
Condensed Consolidated Statements of Comprehensive (Loss) Income
Revenues	0		0
(Loss) income from operations	(6,079)		(34,392)
Net income	5,873		19,137
Net income (loss) attributable to controlling interests and available to common shareholders	5,873		19,137
Total current assets	72		87
Total noncurrent assets			444,012
Total current liabilities	2,584		4,295
Total noncurrent liabilities			60,388
Issuer | Reportable Legal Entities
Condensed Consolidated Statements of Comprehensive (Loss) Income
Revenues	156,803		614,090
(Loss) income from operations	9,115		14,968
Net income	7,821		12,467
Net income (loss) attributable to controlling interests and available to common shareholders	7,821		12,467
Total current assets	320,810		299,489
Total noncurrent assets			1,531,788
Total current liabilities	333,772		310,477
Total noncurrent liabilities			1,211,466
Guarantors | Reportable Legal Entities
Condensed Consolidated Statements of Comprehensive (Loss) Income
Revenues	73,740		281,752
(Loss) income from operations	21,205		76,556
Net income	4,128		14,897
Net income (loss) attributable to controlling interests and available to common shareholders	4,128		14,897
Total current assets	66,308		72,391
Total noncurrent assets			1,060,252
Total current liabilities	70,254		68,326
Total noncurrent liabilities			645,420
Non-Guarantors | Reportable Legal Entities
Condensed Consolidated Statements of Comprehensive (Loss) Income
Revenues	55,270		268,948
(Loss) income from operations	(783)		(4,215)
Net income	(2,536)		4,191
Net income (loss) attributable to controlling interests and available to common shareholders	(2,536)		4,191
Total current assets	96,350		90,046
Total noncurrent assets			693,038
Total current liabilities	$ 97,104		110,592
Total noncurrent liabilities			$ 445,586