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SCHEDULE I - Parent Company Information - Condensed Statements of Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Condensed Financial Statements, Captions [Line Items]
Net income	$ 66,922	$ 43,231
Other comprehensive loss:
Currency translation adjustment	(222)	(770)
Unrealized (loss) gain on derivative instruments	(3,331)	533
Unrealized loss on derivative instruments at joint venture	(774)	0
Net loss recognized in other comprehensive income	(4,327)	(237)
Tax benefit related to items of other comprehensive income	977	54
Other comprehensive loss	(3,350)	(183)
Total comprehensive income	63,572	43,048
Parent Company
Condensed Financial Statements, Captions [Line Items]
Net income	66,922	43,231
Other comprehensive loss:
Currency translation adjustment	(222)	(770)
Unrealized (loss) gain on derivative instruments	(3,331)	533
Unrealized loss on derivative instruments at joint venture	(774)	0
Net loss recognized in other comprehensive income	(4,327)	(237)
Tax benefit related to items of other comprehensive income	977	54
Other comprehensive loss	(3,350)	(183)
Total comprehensive income	$ 63,572	$ 43,048

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