| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 | Dec'16 | Sep'16 | Jun'16 | Mar'16 | Dec'15 | Sep'15 | Jun'15 | Mar'15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||||||||||||||||
Net income | ||||||||||||||||||||
93,770 | 91,910 | 82,479 | 80,110 | 78,396 | 81,582 | 83,799 | 84,476 | 80,714 | 98,315 | 82,245 | 86,470 | 86,028 | 93,581 | 75,859 | 81,192 | 102,771 | 91,175 | 87,046 | 87,243 | 88,389 |
Adjustments to reconcile net income to net cash provided by operating activities | ||||||||||||||||||||
Depreciation and amortization | ||||||||||||||||||||
26,031 | 26,938 | 26,681 | 26,857 | 26,844 | 26,666 | 26,892 | 27,586 | 27,698 | 27,483 | 29,053 | 27,299 | 30,150 | 30,738 | 26,290 | 20,786 | 20,396 | 20,573 | 20,442 | 20,392 | 19,803 |
Provision for doubtful accounts | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | 191 | 37 | 0 | - | - | - | - |
Loss from disposition of property, plant and equipment | ||||||||||||||||||||
-97 | -57 | 0 | 0 | -458 | -1,256 | -26 | 0 | -567 | -406 | -2,734 | -20 | 127 | -613 | 59 | -2,140 | -327 | -1,534 | -154 | -123 | -1 |
Other losses (gains), net | ||||||||||||||||||||
-119 | 426 | -148 | 1 | 180 | -247 | 1,132 | -181 | -357 | -294 | 337 | 509 | 488 | - | - | - | - | - | - | - | - |
Gain on involuntary conversion of assets | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | - | - | - | - |
Deferred income taxes | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | 69 | 141 | 179 | - | -125 | -288 | 54 |
Changes in operating assets and liabilities | ||||||||||||||||||||
Accounts receivable—third parties | ||||||||||||||||||||
3,740 | -4,287 | -6,468 | 4,923 | -1,102 | -6,429 | 6,243 | -2,523 | 1,239 | 1,605 | 1,431 | -5,643 | 8,753 | -3,448 | 6,270 | 3,592 | -5,862 | -2,553 | -7,596 | 5,248 | -20,523 |
Net accounts receivable—Westlake | ||||||||||||||||||||
8,573 | 5,859 | -7,798 | 1,060 | -1,479 | 5,530 | -2,203 | -2,148 | -737 | -16,096 | -19,018 | -9,528 | -40,010 | 3,710 | 50,329 | 12,054 | 24,649 | -11,852 | 13,388 | -4,200 | 14,500 |
Inventories | ||||||||||||||||||||
-484 | -1,214 | -314 | -185 | 587 | -616 | -1,124 | 957 | -419 | 1,709 | -677 | -218 | 842 | 506 | 935 | -97 | -1,289 | 607 | -584 | -708 | -2,070 |
Prepaid expenses and other current assets | ||||||||||||||||||||
-266 | -89 | 464 | -156 | -119 | -121 | 437 | -107 | -153 | -99 | 368 | -109 | -115 | 269 | -73 | -84 | -110 | -115 | 352 | -92 | -90 |
Accounts payable | ||||||||||||||||||||
1,463 | 1,083 | -3,453 | 294 | 2,497 | -209 | 569 | -2,001 | -2,835 | 416 | 3,381 | -7,505 | 5,150 | -8,201 | -18,807 | 17,223 | 7,610 | -4,015 | 444 | 3,818 | 589 |
Accrued and other liabilities | ||||||||||||||||||||
1,252 | -3,884 | 2,773 | -1,376 | 3,472 | -4,253 | 2,252 | 514 | -487 | -5,027 | 5,685 | -8,128 | 7,461 | -4,040 | -19,074 | 24,330 | 2,575 | 278 | -340 | 5,856 | -3,477 |
Other, net | ||||||||||||||||||||
208 | 542 | 476 | 69 | 101 | 280 | 118 | 228 | -138 | -673 | 1,027 | -63 | 9,626 | 1,419 | 14,915 | 57,682 | 3,895 | 2,022 | 757 | 402 | 307 |
Cash flows from investing activities | ||||||||||||||||||||
110,961 | 115,653 | 121,482 | 100,173 | 113,499 | 106,147 | 109,433 | 114,349 | 106,222 | 135,441 | 139,630 | 113,208 | 149,078 | 110,356 | -7,907 | 72,702 | 112,575 | 121,339 | 101,304 | 116,664 | 113,235 |
Cash flows from investing activities | ||||||||||||||||||||
Additions to property, plant and equipment | ||||||||||||||||||||
11,989 | 13,679 | 4,446 | 13,438 | 12,144 | 9,815 | 13,427 | 6,941 | 9,679 | 12,251 | 12,611 | 20,828 | 23,168 | 30,991 | 100,114 | 89,442 | 79,091 | 78,613 | 57,058 | 55,974 | 39,540 |
Maturities of investments with Westlake under the Investment Management Agreement | ||||||||||||||||||||
79,000 | 110,000 | 61,000 | 264,445 | 80,000 | 102,000 | 92,050 | 66,000 | 112,000 | 62,828 | 0 | 0 | 0 | - | - | - | - | - | - | - | - |
Investments with Westlake under the Investment Management Agreement | ||||||||||||||||||||
78,000 | 108,000 | 85,000 | 128,933 | 207,512 | 99,000 | 100,000 | 75,000 | 110,000 | 80,000 | 119,000 | 0 | 0 | - | - | - | - | - | - | - | - |
Other | ||||||||||||||||||||
0 | -46 | 0 | 0 | 46 | 0 | -251 | 251 | 0 | 0 | 2 | 117 | 1,682 | - | - | - | - | - | - | - | - |
Proceeds from disposition of assets | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | 59 | 0 | 98 | - | 0 | 0 | 0 |
Proceeds from involuntary conversion of assets | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | - | - | - | - |
Net cash used for investing activities | ||||||||||||||||||||
-10,989 | -11,725 | -28,446 | 122,074 | -139,610 | -6,815 | -21,628 | -15,690 | -7,679 | -29,423 | -131,609 | -20,711 | -21,486 | -30,991 | -100,055 | -89,442 | -78,993 | -78,613 | -57,058 | -55,974 | -39,540 |
Cash flows from financing activities | ||||||||||||||||||||
Net proceeds from private placement of common units | ||||||||||||||||||||
0 | - | - | -18 | 62,934 | 0 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - |
Proceeds from debt payable to Westlake | ||||||||||||||||||||
- | - | - | - | - | 0 | 0 | 0 | 3,648 | 10,000 | 134,873 | 3,384 | 17,000 | 0 | 80,343 | 72,313 | 59,519 | 53,511 | 49,503 | 158,504 | 30,191 |
Repayment of debt payable to Westlake | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | 13,161 | 246,032 | 15,310 | 11,423 | 454 | 598 | 500 | 0 | - | - | - | - |
Quarterly distributions to noncontrolling interest retained in OpCo by Westlake | ||||||||||||||||||||
79,223 | 86,304 | 75,494 | 72,259 | 81,507 | 83,064 | 86,066 | 81,610 | 91,148 | 80,452 | 85,092 | 88,771 | 89,617 | 55,854 | 39,170 | 73,916 | 75,650 | 72,833 | 68,908 | 83,824 | 85,277 |
Quarterly distributions to unitholders | ||||||||||||||||||||
16,591 | 16,348 | 16,113 | 15,666 | 13,957 | 13,565 | 13,181 | 13,546 | 13,071 | 12,605 | 10,199 | 9,835 | 9,478 | 9,163 | 8,864 | 8,576 | 8,334 | 8,102 | 7,875 | 7,656 | 7,441 |
Net cash provided by (used for) financing activities | ||||||||||||||||||||
-95,814 | -102,652 | -91,862 | -289,389 | 90,982 | -96,629 | -99,247 | -95,156 | -100,571 | -96,259 | -95,711 | -110,532 | -93,518 | -65,471 | 31,711 | -10,679 | -24,465 | -27,424 | -27,280 | -68,317 | -62,527 |
Net increase in cash and cash equivalents | ||||||||||||||||||||
4,158 | 1,276 | 1,174 | -67,142 | 64,871 | 2,703 | -11,442 | 3,503 | -2,028 | 9,759 | -87,690 | -18,035 | 34,074 | 13,894 | -76,251 | -27,419 | 9,117 | 15,302 | 16,966 | -7,627 | 11,168 |