Investments in Partially Owned Entities - Schedule of Condensed Results of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Revenues	$ 1,987,727	$ 1,783,705	$ 1,603,635
Operating (loss) income	168,451	131,466	179,960
Net (loss) income	24,555	48,162	47,985
Company’s (loss) income from partially owned entities	$ (250)	(111)	(1,069)
CMAL
Schedule of Equity Method Investments [Line Items]
Revenues		28,334	37,458
Operating (loss) income		(348)	(1,748)
Net (loss) income		(507)	(1,960)
Company’s (loss) income from partially owned entities		(429)	(1,419)
CMAH
Schedule of Equity Method Investments [Line Items]
Revenues		10,907	13,621
Operating (loss) income		1,920	2,432
Net (loss) income		1,018	1,651
Company’s (loss) income from partially owned entities		318	350
Total
Schedule of Equity Method Investments [Line Items]
Revenues		39,241	51,079
Operating (loss) income		1,572	684
Net (loss) income		511	(309)
Company’s (loss) income from partially owned entities		$ (111)	$ (1,069)