SEGMENT REPORTING (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Summary of Segment Reporting Information by Segment

Three Months Ended March 31, 2020

Segment	Outside revenues		Inter-company revenues		Depreciation and amortization		Operating income (loss)		Total assets
Eastern	$	50,143	$	11,839	$	5,958	$	975	$	206,334
Western	85,206		25,546		13,232		5,642		599,815
Resource solutions	47,561		2,894		1,610		1,003		93,199
Corporate entities	—		—		606		(608)		58,292
Eliminations	—		(40,279)		—		—		—
	$	182,910	$	—	$	21,406	$	7,012	$	957,640

Three Months Ended March 31, 2019

Segment	Outside revenues		Inter-company revenues		Depreciation and amortization		Operating income (loss)		Total assets
Eastern	$	46,997	$	10,771	$	5,260	$	(626)	$	195,851
Western	74,151		20,218		10,234		5,378		494,066
Resource solutions	42,516		2,387		1,294		401		86,222
Corporate entities	—		—		701		(711)		52,174
Eliminations	—		(33,376)		—		—		—
	$	163,664	$	—	$	17,489	$	4,442	$	828,313

Summary of Revenue Attributable to Services

A summary of our revenues attributable to services provided follows:

	Three Months Ended March 31,
	2020		2019
Collection	$	94,577	$	83,080
Disposal	38,625		36,054
Power generation	1,026		1,136
Processing	1,121		878
Solid waste operations	135,349		121,148
Organics	14,932		13,596
Customer solutions	21,663		18,154
Recycling	10,966		10,766
Resource solutions operations	47,561		42,516
Total revenues	$	182,910	$	163,664