v3.26.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities    
Net income $ 164,017 $ 128,104
Adjustments to reconcile net income to net cash provided by operating activities    
Depreciation and amortization 69,327 59,552
Loss from disposition of property, plant and equipment 2,188 491
Other losses, net 168 33
Changes in operating assets and liabilities    
Accounts receivable—third parties (12,709) (1,239)
Net accounts receivable—Westlake 20,406 (39,483)
Inventories (794) 797
Prepaid expenses and other current assets 396 420
Accounts payable—third parties (1,293) 11,302
Accrued and other liabilities (2,741) 17,590
Deferred charges and other assets and others, net 1,080 (122,715)
Net cash provided by operating activities 240,045 54,852
Cash flows from investing activities    
Additions to property, plant and equipment (18,037) (40,336)
Investments with Westlake under the Investment Management Agreement (20,000) 0
Maturities of investments with Westlake under the Investment Management Agreement 0 90,000
Net cash provided by (used for) investing activities (38,037) 49,664
Cash flows from financing activities    
Proceeds from debt payable to Westlake 82,000 95,000
Repayment of debt payable to Westlake (82,000) (95,000)
Distributions to noncontrolling interest retained in OpCo by Westlake (163,726) (93,031)
Distributions to unitholders (33,230) (33,222)
Net cash used for financing activities (196,956) (126,253)
Net increase (decrease) in cash and cash equivalents 5,052 (21,737)
Cash and cash equivalents at beginning of period 44,269 58,316
Cash and cash equivalents at end of period $ 49,321 $ 36,579