UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash and cash equivalents	$ 7,047	$ 9,234
Restricted cash	27,804	18,804
Accounts receivable - trade, net	668,744	759,547
Inventories	126,645	135,231
Other	49,612	41,234
Total current assets	879,852	964,050
FIXED ASSETS, at cost	6,581,652	6,500,897
Less: Accumulated depreciation	(2,034,076)	(1,972,596)
Net fixed assets	4,547,576	4,528,301
MINERAL LEASEHOLDS, net of accumulated depletion	539,374	540,520
EQUITY INVESTEES	257,021	263,829
INTANGIBLE ASSETS, net of amortization	141,617	141,537
GOODWILL	301,959	301,959
RIGHT OF USE ASSETS, net	238,513	240,341
OTHER ASSETS, net of amortization	39,346	38,241
TOTAL ASSETS	6,945,258	7,018,778
CURRENT LIABILITIES:
Accounts payable - trade	473,263	588,924
Accrued liabilities	361,818	378,523
Total current liabilities	835,081	967,447
SENIOR SECURED CREDIT FACILITY	383,200	298,300
SENIOR UNSECURED NOTES, net of debt issuance costs, discount and premium	3,064,971	3,062,955
DEFERRED TAX LIABILITIES	18,019	17,510
OTHER LONG-TERM LIABILITIES	567,094	570,197
Total liabilities	5,256,816	5,308,001
MEZZANINE CAPITAL:
Class A Convertible Preferred Units, 23,111,918 issued and outstanding at March 31, 2024 and December 31, 2023, respectively	$ 813,589	$ 813,589
Common units outstanding (in units)	122,464,318	122,464,318
PARTNERS’ CAPITAL:
Common unitholders, 122,464,318 units issued and outstanding at March 31, 2024 and December 31, 2023, respectively	$ 490,787	$ 519,698
Accumulated other comprehensive income	8,120	8,040
Noncontrolling interests	375,946	369,450
Total partners’ capital	874,853	897,188
TOTAL LIABILITIES, MEZZANINE CAPITAL AND PARTNERS’ CAPITAL	$ 6,945,258	$ 7,018,778
Common units issued (in units)	122,464,318	122,464,318
Class A Convertible Preferred Stock Units
PARTNERS’ CAPITAL:
Number preferred units issued (in units)	23,111,918	23,111,918
5.875% Alkali senior secured notes due 2042(2)
CURRENT LIABILITIES:
SENIOR SECURED CREDIT FACILITY	$ 388,451	$ 391,592