SEGMENT REPORTING (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Summary of Financial Information by Reportable Segment

Three Months Ended September 30, 2018

Segment	Outside revenues		Inter-company revenue			Depreciation and amortization		Operating income (loss)			Total assets
Eastern	$	56,006	$	14,557		$	7,267	$	15,370		$	180,896
Western	74,425		20,578			8,844		14,144			402,931
Recycling	10,877		1,773			1,131		(481		)	48,995
Other	31,524		455			960		(149		)	70,026
Eliminations	—		(37,363		)	—		—			—
Total	$	172,832	$	—		$	18,202	$	28,884		$	702,848

Three Months Ended September 30, 2017

Segment	Outside revenues		Inter-company revenue			Depreciation and amortization		Operating income (loss)		Total assets
Eastern	$	49,066	$	14,296		$	6,122	$	5,897	$	155,726
Western	67,992		19,183			8,572		11,579		335,373
Recycling	16,360		(292		)	1,044		638		49,471
Other	26,851		531			853		163		51,850
Eliminations	—		(33,718		)	—		—		—
Total	$	160,269	$	—		$	16,591	$	18,277	$	592,420

Nine Months Ended September 30, 2018

Segment	Outside revenues		Inter-company revenue			Depreciation and amortization		Operating income (loss)			Total assets
Eastern	$	154,099	$	40,432		$	20,276	$	17,824		$	180,896
Western	210,208		59,898			25,226		33,325			402,931
Recycling	30,634		4,697			3,228		(7,898		)	48,995
Other	90,995		1,374			2,842		1,620			70,026
Eliminations	—		(106,401		)	—		—			—
Total	$	485,936	$	—		$	51,572	$	44,871		$	702,848

Nine Months Ended September 30, 2017

Segment	Outside revenues		Inter-company revenue			Depreciation and amortization		Operating income (loss)			Total assets
Eastern	$	134,326	$	37,020		$	17,949	$	(54,407	)	$	155,726
Western	186,507		53,590			22,762		26,438			335,373
Recycling	49,206		(781		)	3,066		3,285			49,471
Other	78,048		1,516			2,530		2,247			51,850
Eliminations	—		(91,345		)	—		—			—
Total	$	448,087	$	—		$	46,307	$	(22,437	)	$	592,420

Summary of Revenues Attributable to Services Provided by Company

A summary of our revenues attributable to services provided follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Collection	$	79,611	$	70,040	$	220,650	$	196,185
Disposal	48,737		44,881		136,217		118,334
Power generation	920		1,215		4,014		4,121
Processing	2,079		2,499		5,847		6,296
Solid waste operations	131,347		118,635		366,728		324,936
Organics	13,413		9,662		40,259		29,881
Customer solutions	17,195		15,612		48,315		44,064
Recycling	10,877		16,360		30,634		49,206
Total revenues	$	172,832	$	160,269	$	485,936	$	448,087