Consolidated Statements Of Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]
Unrealized gain on interest rate derivatives, deferred income tax expense (benefit)	$ 4,610	$ (12,103)
Foreign currency translation adjustments, deferred income tax expense (benefit)	$ 238	$ (561)