Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 49,624	$ 58,316
Receivable under the Investment Management Agreement—Westlake Corporation ("Westlake")	104,529	134,557
Accounts receivable, net—third parties	13,013	11,576
Inventories	2,733	4,058
Prepaid expenses and other current assets	201	444
Total current assets	225,151	240,926
Property, plant and equipment, net	903,497	903,588
Goodwill	5,814	5,814
Deferred charges and other assets, net	236,890	137,628
Total assets	1,371,352	1,287,956
Current liabilities
Accrued and other liabilities	63,336	16,920
Total current liabilities	164,822	55,372
Deferred income taxes	1,567	1,546
Other liabilities	2,183	2,050
Total liabilities	568,246	458,642
Commitments and contingencies (Note 12)
EQUITY
Total Westlake Chemical Partners LP partners' capital	264,466	276,129
Noncontrolling interest in Westlake Chemical OpCo LP ("OpCo")	538,640	553,185
Total equity	803,106	829,314
Total liabilities and equity	1,371,352	1,287,956
Publicly and Privately Held | Common units
EQUITY
Common unitholders	464,339	471,328
Westlake
EQUITY
General partner—Westlake	(242,572)	(242,572)
Westlake | Common units
EQUITY
Common unitholders	42,699	47,373
Affiliated Entity
Current assets
Accounts receivable, net—Westlake	55,051	31,975
Current liabilities
Accounts payable	42,628	20,744
Affiliated Entity | Westlake
Current liabilities
Long-term debt payable to Westlake	399,674	399,674
Nonrelated Party
Current assets
Accounts receivable, net—third parties	13,013	11,576
Current liabilities
Accounts payable	$ 58,858	$ 17,708