Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements Of Comprehensive Income [Abstract]
Unrealized gains (losses) on derivatives arising during period, tax benefit	$ (14,431)	$ 2,854	$ 2,967
Reclassification of realized losses (gains) on derivatives, tax expense (benefit)	10,002	(2,887)	2,306
Share of equity method investees other comprehensive income arising during the period, tax benefit	$ 3,929	$ 0	$ 0