Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 17,294	$ 6,598
Trade accounts receivable, net of allowance for doubtful accounts of $1,231 as of March 31, 2022 and $1,223 as of December 31, 2021	65,256	53,520
Inventories	38,360	33,271
Prepaid expenses and other current assets	5,985	7,390
Total current assets	126,895	100,779
Property, plant, and equipment:
Land and building	9,087	13,409
Compressors and equipment	1,094,369	1,072,927
Vehicles	8,464	8,469
Construction in progress	14,925	31,968
Total property, plant, and equipment	1,126,845	1,126,773
Less accumulated depreciation	(568,593)	(556,311)
Net property, plant, and equipment	558,252	570,462
Other assets:
Intangible assets, net of accumulated amortization of $34,411 as of March 31, 2022 and $33,672 as of December 31, 2021	21,356	22,095
Operating lease right-of-use assets	29,755	25,898
Deferred tax asset	5	5
Other assets	3,400	3,122
Total other assets	54,516	51,120
Total assets	739,663	722,361
Current liabilities:
Accounts payable	33,945	28,958
Accrued liabilities and other	53,235	42,075
Amounts payable to affiliates	682	0
Current liabilities associated with discontinued operations	262	262
Total current liabilities	88,124	71,295
Other liabilities:
Long-term debt, net	630,182	631,141
Deferred tax liabilities	876	819
Operating lease liabilities	21,469	17,648
Other long-term liabilities	5,770	299
Total other liabilities	658,297	649,907
Commitments and contingencies
Partners’ capital:
General partner interest	(1,524)	(1,486)
Common units (141,213,944 units issued and outstanding at March 31, 2022 and 140,386,811 units issued and outstanding at December 31, 2021)	9,158	17,049
Accumulated other comprehensive loss	(14,392)	(14,404)
Total partners’ capital	(6,758)	1,159
Total liabilities and partners’ capital	$ 739,663	$ 722,361