Equity-Method Investments - Schedule of Condensed Results of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]
Company’s (loss) income from partially owned entities	$ (111)	$ (1,069)	$ (1,363)
Total
Schedule of Equity Method Investments [Line Items]
Revenues	39,241	51,079	50,956
Operating (loss) income	1,572	684	(1,738)
Net (loss) income	511	(309)	(2,775)
Company’s (loss) income from partially owned entities	(111)	(1,069)	(1,363)
CMAL
Schedule of Equity Method Investments [Line Items]
Revenues	28,334	37,458	38,662
Operating (loss) income	(348)	(1,748)	(2,052)
Net (loss) income	(507)	(1,960)	(2,479)
Company’s (loss) income from partially owned entities	(429)	(1,419)	(1,143)
CMAH
Schedule of Equity Method Investments [Line Items]
Revenues	10,907	13,621	12,294
Operating (loss) income	1,920	2,432	314
Net (loss) income	1,018	1,651	(296)
Company’s (loss) income from partially owned entities	$ 318	$ 350	$ (220)