Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 7,012	$ 8,475
Inventories	44,932	45,902
Prepaid expenses and other current assets	8,651	7,905
Total current assets	120,023	128,315
Property, plant, and equipment:
Land and building	7,241	7,227
Compressors and equipment	1,134,451	1,103,657
Vehicles	8,783	8,640
Construction in progress	34,880	37,183
Total property, plant, and equipment	1,185,355	1,156,707
Less accumulated depreciation	(666,075)	(611,734)
Net property, plant, and equipment	519,280	544,973
Other assets:
Deferred tax assets	17	3
Intangible assets, net of accumulated amortization of $39,586 in 2023 and $36,627 in 2022	16,181	19,140
Operating lease right-of-use assets	28,244	27,205
Other assets	3,291	2,767
Total other assets	47,733	49,115
Total assets	687,036	722,403
Current liabilities:
Accounts payable	21,996	34,589
Unearned income	2,525	2,590
Accrued liabilities and other	45,851	47,076
Current liabilities associated with discontinued operations	0	0
Total current liabilities	70,372	84,255
Other liabilities:
Long-term debt, net	628,587	634,016
Deferred tax liabilities	1,768	1,245
Operating lease liabilities	19,526	19,419
Other long-term liabilities	5,642	8,742
Total other liabilities	655,523	663,422
Commitments and contingencies
Partners’ capital:
General partner interest	(1,690)	(1,618)
Common units (141,995,028 units issued and outstanding at December 31, 2023 and 141,237,462 units issued and outstanding at December 31, 2022)	(22,855)	(9,250)
Accumulated other comprehensive loss	(14,314)	(14,406)
Total partners’ capital (deficit)	(38,859)	(25,274)
Total liabilities and partners’ capital	687,036	722,403
Nonrelated Party
Current assets:
Trade accounts receivable	58,648	65,085
Affiliate
Current assets:
Trade accounts receivable	$ 780	$ 948