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v3.21.2

Unaudited Consolidated Statement of Changes in Total Equity - USD ($) shares in Thousands, $ in Thousands | Total | General Partner | Common Units Limited Partners | Preferred Units Limited Partners | Accumulated Other Comprehensive Income (Loss) | Non- controlling Interest | Preferred units Series A ($0.5625 per unit) | Preferred units Series A ($0.5625 per unit) Preferred Units Limited Partners | Preferred units Series B ($0.5313 per unit) | Preferred units Series B ($0.5313 per unit) Preferred Units Limited Partners
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance, units at Dec. 31, 2019 |  |  | 77,510 | 11,800 |  |  |  |  |  |
Beginning balance at Dec. 31, 2019 | $ 1,876,975 | $ 50,241 | $ 1,543,598 | $ 285,159 | $ (57,312) | $ 55,289 |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |
Net (loss) income | (30,828) | (789) | (38,630) | $ 6,425 |  | 2,166 |  |  |  |
Other Comprehensive Income (Loss), Net of Tax | (53,897) |  |  |  | (51,145) | (2,752) |  |  |  |
Partners' Capital Account, Distributions | 15,013 | 300 | $ 14,713 |  |  |  | $ 2,812 | $ 2,812 | $ 3,613 | $ 3,613
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units |  |  | 35 |  |  |  |  |  |  |
Partners' Capital Account, Unit-based Payment Arrangement, Amount | 212 | 4 | $ 208 |  |  |  |  |  |  |
Other (note 10d) | 462 | 12 | $ 629 |  |  | (179) |  |  |  |
Repurchase of common units (note 13), units |  |  | (1,373) |  |  |  |  |  |  |
Partners' Capital Account, Treasury Units, Purchased | 15,635 | 313 | $ 15,322 |  |  |  |  |  |  |
Ending balance, units at Mar. 31, 2020 |  |  | 76,172 | 11,800 |  |  |  |  |  |
Ending balance at Mar. 31, 2020 | 1,702,551 | 47,839 | $ 1,425,960 | $ 285,159 | (108,457) | 52,050 |  |  |  |
Beginning balance, units at Dec. 31, 2019 |  |  | 77,510 | 11,800 |  |  |  |  |  |
Beginning balance at Dec. 31, 2019 | 1,876,975 | 50,241 | $ 1,543,598 | $ 285,159 | (57,312) | 55,289 |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |
Net (loss) income | 58,527 |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax | (57,538) |  |  |  |  |  |  |  |  |
Ending balance, units at Sep. 30, 2020 |  |  | 86,951 | 11,800 |  |  |  |  |  |
Ending balance at Sep. 30, 2020 | 1,731,547 | 46,081 | $ 1,459,599 | $ 285,159 | (111,967) | 52,675 |  |  |  |
Beginning balance, units at Mar. 31, 2020 |  |  | 76,172 | 11,800 |  |  |  |  |  |
Beginning balance at Mar. 31, 2020 | 1,702,551 | 47,839 | $ 1,425,960 | $ 285,159 | (108,457) | 52,050 |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |
Net (loss) income | 49,283 | 713 | 37,796 | $ 6,425 |  | 4,349 |  |  |  |
Other Comprehensive Income (Loss), Net of Tax | (8,172) |  |  |  | (7,856) | (316) |  |  |  |
Partners' Capital Account, Distributions | 19,432 | 389 | $ 19,043 |  |  |  | $ 2,812 | 2,812 | $ 3,613 | 3,613
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units |  |  | 6 |  |  |  |  |  |  |
Partners' Capital Account, Unit-based Payment Arrangement, Amount | 682 | 13 | $ 669 |  |  |  |  |  |  |
Issuance of common units (notes 10e and 13), units |  |  | 10,750 |  |  |  |  |  |  |
Issuance of common units (notes 10e and 13) | 0 | (2,308) | $ 2,308 |  |  |  |  |  |  |
Ending balance, units at Jun. 30, 2020 |  |  | 86,928 | 11,800 |  |  |  |  |  |
Ending balance at Jun. 30, 2020 | $ 1,718,487 | 45,868 | $ 1,447,690 | $ 285,159 | (116,313) | 56,083 |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.19 |  |  |  |  |  |  |  |  |
Preferred Stock, Dividends Per Share, Declared |  |  |  |  |  |  | $ 0.5625 |  | $ 0.5313 |
Net (loss) income | $ 40,072 | 595 | 33,255 | $ 6,425 |  | (203) |  |  |  |
Other Comprehensive Income (Loss), Net of Tax | 4,531 |  |  |  | 4,346 | 185 |  |  |  |
Partners' Capital Account, Distributions | 22,125 | 389 | 21,736 |  |  |  | $ 2,812 | 2,812 | $ 3,613 | 3,613
Partners' Capital Account, Sale of Units | 397 | 7 | $ 390 |  |  |  |  |  |  |
Repurchase of common units (note 13), units |  |  | 23 |  |  |  |  |  |  |
Ending balance, units at Sep. 30, 2020 |  |  | 86,951 | 11,800 |  |  |  |  |  |
Ending balance at Sep. 30, 2020 | $ 1,731,547 | 46,081 | $ 1,459,599 | $ 285,159 | (111,967) | 52,675 |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.25 |  |  |  |  |  |  |  |  |
Preferred Stock, Dividends Per Share, Declared |  |  |  |  |  |  | $ 0.5625 |  | $ 0.5313 |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | $ (3,390) |  |  |  |  |  |  |  |  |
Beginning balance, units at Dec. 31, 2020 |  |  | 86,951 | 11,800 |  |  |  |  |  |
Beginning balance at Dec. 31, 2020 | 1,746,270 | 46,182 | $ 1,465,408 | $ 285,159 | (103,836) | 53,357 |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |
Net (loss) income | 91,067 | 1,426 | 79,740 | $ 6,425 |  | 3,476 |  |  |  |
Other Comprehensive Income (Loss), Net of Tax | 43,804 |  |  |  | 42,461 | 1,343 |  |  |  |
Partners' Capital Account, Distributions | 22,127 | 389 | $ 21,738 |  |  |  | $ 2,812 | 2,812 | $ 3,613 | 3,613
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units |  |  | 13 |  |  |  |  |  |  |
Partners' Capital Account, Unit-based Payment Arrangement, Amount | 342 | 6 | $ 336 |  |  |  |  |  |  |
Ending balance, units at Mar. 31, 2021 |  |  | 86,964 | 11,800 |  |  |  |  |  |
Ending balance at Mar. 31, 2021 | 1,852,931 | 47,225 | $ 1,523,746 | $ 285,159 | (61,375) | 58,176 |  |  |  |
Beginning balance, units at Dec. 31, 2020 |  |  | 86,951 | 11,800 |  |  |  |  |  |
Beginning balance at Dec. 31, 2020 | 1,746,270 | 46,182 | $ 1,465,408 | $ 285,159 | (103,836) | 53,357 |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |
Net (loss) income | 217,671 |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax | 41,655 |  |  |  |  |  |  |  |  |
Ending balance, units at Sep. 30, 2021 |  |  | 87,010 | 11,800 |  |  |  |  |  |
Ending balance at Sep. 30, 2021 | 1,911,494 | 48,230 | $ 1,580,034 | $ 285,159 | (63,706) | 61,777 |  |  |  |
Beginning balance, units at Mar. 31, 2021 |  |  | 86,964 | 11,800 |  |  |  |  |  |
Beginning balance at Mar. 31, 2021 | 1,852,931 | 47,225 | $ 1,523,746 | $ 285,159 | (61,375) | 58,176 |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |
Net (loss) income | 56,278 | 823 | 46,040 | $ 6,425 |  | 2,990 |  |  |  |
Other Comprehensive Income (Loss), Net of Tax | (11,027) |  |  |  | (10,897) | (130) |  |  |  |
Partners' Capital Account, Distributions | 25,449 | 447 | $ 25,002 |  |  |  | $ 2,812 | 2,812 | $ 3,613 | 3,613
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units |  |  | 20 |  |  |  |  |  |  |
Partners' Capital Account, Unit-based Payment Arrangement, Amount | 676 | 12 | $ 664 |  |  |  |  |  |  |
Ending balance, units at Jun. 30, 2021 |  |  | 86,984 | 11,800 |  |  |  |  |  |
Ending balance at Jun. 30, 2021 | $ 1,864,314 | 47,613 | $ 1,545,448 | $ 285,159 | (72,272) | 58,366 |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.25 |  |  |  |  |  |  |  |  |
Preferred Stock, Dividends Per Share, Declared |  |  |  |  |  |  | $ 0.5625 |  | $ 0.5313 |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | $ (2,670) |  |  |  |  |  |  |  |  |
Net (loss) income | 70,326 | 1,062 | 59,487 | $ 6,425 |  | 3,352 |  |  |  |
Other Comprehensive Income (Loss), Net of Tax | 8,878 |  |  |  | 8,566 | 312 |  |  |  |
Partners' Capital Account, Distributions | 25,455 | 447 | $ 25,008 |  |  |  | $ 2,812 | $ 2,812 | $ 3,613 | $ 3,613
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units |  |  | 26 |  |  |  |  |  |  |
Partners' Capital Account, Unit-based Payment Arrangement, Amount | 109 | 2 | $ 107 |  |  |  |  |  |  |
Ending balance, units at Sep. 30, 2021 |  |  | 87,010 | 11,800 |  |  |  |  |  |
Ending balance at Sep. 30, 2021 | $ 1,911,494 | $ 48,230 | $ 1,580,034 | $ 285,159 | $ (63,706) | $ 61,777 |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.2875 |  |  |  |  |  |  |  |  |
Preferred Stock, Dividends Per Share, Declared |  |  |  |  |  |  | $ 0.5625 |  | $ 0.5313 |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | $ (253) |  |  |  |  |  |  |  |  |

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