REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)

9 Months Ended

Sep. 30, 2022

REVENUE FROM CONTRACTS WITH CUSTOMERS

Schedule of disaggregation of revenue

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2022		2021		2022		2021
Contract operations:
0 ― 1,000 horsepower per unit	$	38,967	$	41,576	$	121,298	$	134,413
1,001 ― 1,500 horsepower per unit		72,463		66,138		208,161		201,454
Over 1,500 horsepower per unit		58,818		51,018		170,297		152,360
Other (1)		249		179		695		583
Total contract operations revenue (2)		170,497		158,911		500,451		488,810
Aftermarket services:
Services		23,528		19,249		66,666		53,149
Over–the–counter (“OTC”) parts and components sales		19,643		17,006		59,580		44,253
Total aftermarket services revenue (3)		43,171		36,255		126,246		97,402
Total revenue	$	213,668	$	195,166	$	626,697	$	586,212

(1) Primarily relates to fees associated with owned non-compression equipment.

(2) Includes $0.7 million and $0.7 million for the three months ended September 30, 2022 and 2021, respectively, and $1.8 million and $3.1 million for the nine months ended September 30, 2022 and 2021, respectively, related to billable maintenance on owned compressors that was recognized at a point in time. All other contract operations revenue is recognized over time.

(3) Services revenue within aftermarket services is recognized over time. OTC parts and components sales revenue is recognized at a point in time.

Schedule of remaining Performance Obligation

	2022		2023		2024		2025		2026		2027		Total
Remaining performance obligations	$	99,377	$	122,031	$	46,882	$	12,870	$	919	$	192	$	282,271

Summary of changes in allowance for credit losses

Balance at December 31, 2021	$	2,152
Provision for credit losses		(28)
Write-offs charged against allowance		(637)
Balance at September 30, 2022	$	1,487