UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 18,086	$ 7,930
Restricted cash	18,720	18,637
Accounts receivable - trade, net	748,538	721,567
Inventories	121,328	78,143
Other	46,123	26,770
Total current assets	952,795	853,047
FIXED ASSETS, at cost	5,934,960	5,865,038
Less: Accumulated depreciation	(1,818,018)	(1,768,465)
Net fixed assets	4,116,942	4,096,573
MINERAL LEASEHOLDS, net of accumulated depletion	544,241	545,122
EQUITY INVESTEES	279,658	284,486
INTANGIBLE ASSETS, net of amortization	127,461	127,320
GOODWILL	301,959	301,959
RIGHT OF USE ASSETS, net	212,803	125,277
OTHER ASSETS, net of amortization	50,601	32,208
TOTAL ASSETS	6,586,460	6,365,992
CURRENT LIABILITIES:
Accounts payable - trade	518,822	427,961
Accrued liabilities	286,424	281,146
Total current liabilities	805,246	709,107
SENIOR SECURED CREDIT FACILITY	124,400	205,400
SENIOR UNSECURED NOTES, net of debt issuance costs and premium	3,008,568	2,856,312
DEFERRED TAX LIABILITIES	17,072	16,652
OTHER LONG-TERM LIABILITIES	490,860	400,617
Total liabilities	4,845,802	4,590,530
MEZZANINE CAPITAL:
Class A Convertible Preferred Units, 25,336,778 issued and outstanding at March 31, 2023 and December 31, 2022	891,909	891,909
PARTNERS’ CAPITAL:
Common unitholders, 122,579,218 units issued and outstanding at March 31, 2023 and December 31, 2022	523,244	567,277
Accumulated other comprehensive income	6,236	6,114
Noncontrolling interests	319,269	310,162
Total partners’ capital	848,749	883,553
TOTAL LIABILITIES, MEZZANINE CAPITAL AND PARTNERS’ CAPITAL	6,586,460	6,365,992
5.875% Alkali senior secured notes due 2042
CURRENT LIABILITIES:
SENIOR SECURED CREDIT FACILITY	$ 399,656	$ 402,442