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Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Consolidated Statements Of Comprehensive Income [Abstract]      
Unrealized gains (losses) on derivatives arising during period, tax benefit (expense) $ 257 $ (14,431) $ 2,854
Reclassification of realized losses (gains) on derivatives, tax expense (benefit) 857 10,002 (2,887)
Share of equity method investees other comprehensive income arising during the period, tax expense (benefit) $ (3,929) $ 3,929 $ 0