Consolidated Statements of Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]
Unrealized (loss) gain on interest rate swap and cap contracts, deferred income tax (benefit) expense			$ 2,795
Unrealized (loss) gain on interest rate swap and cap contracts, deferred income tax (benefit) expense	$ (10,450)	$ (4,839)
Foreign currency translation adjustments, deferred income tax (benefit) expense	$ 2,391	$ (242)	$ 107