Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income (loss)	$ (227,467)	$ 148,839	$ (84,573)	$ 274,416
Other comprehensive income (loss), before tax:
Foreign currency translation adjustment	83,093	43,135	(101,624)	85,315
Other comprehensive income (loss), before tax	73,368	15,048	(169,815)	39,035
Income tax (expense) benefit related to items of other comprehensive income (loss)	2,577	7,443	18,071	12,264
Other comprehensive income (loss), net of tax	75,945	22,491	(151,744)	51,299
Comprehensive income	(151,522)	171,330	(236,317)	325,715
Plus (less): Comprehensive loss (income) attributable to noncontrolling interests	395	9	536	54
Comprehensive income attributable to Waste Connections	(151,127)	171,339	(235,781)	325,769
Interest Rate Swap [Member]
Other comprehensive income (loss), before tax:
Amounts reclassified, gross	2,142	(2,472)	1,702	(4,944)
Change in fair value, gross	$ (11,867)	$ (25,615)	$ (69,893)	$ (41,336)