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Equity (Tables) | 9 Months Ended
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Sep. 30, 2018
Stockholders' Equity Note [Abstract] |
Summary of changes in equity | The following summarizes the changes in equity for the nine months ended September 30, 2018 (dollars in thousands):
| Common stock |  | Additional paid-in capital |  | Accumulated earnings less dividends |  | Accumulated other comprehensive loss |  | Total equity
Balance at December 31, 2017 | $ | 1,381 |  |  | $ | 10,235,475 |  |  | $ | 188,609 |  |  | $ | (37,419 | ) |  | $ | 10,388,046 |
Net income attributable to common stockholders | — |  |  | — |  |  | 588,791 |  |  | — |  |  | 588,791 |
Gain on cash flow hedges, net | — |  |  | — |  |  | — |  |  | 11,499 |  |  | 11,499 |
Cash flow hedge losses reclassified to earnings | — |  |  | — |  |  | — |  |  | 4,679 |  |  | 4,679 |
Change in redemption value of redeemable noncontrolling interest | — |  |  | — |  |  | (626 | ) |  | — |  |  | (626 | )
Dividends declared to common stockholders | — |  |  | — |  |  | (609,972 | ) |  | — |  |  | (609,972 | )
Issuance of common stock, net of withholdings | 1 |  |  | (11,217 | ) |  | 1,144 |  |  | — |  |  | (10,072 | )
Amortization of deferred compensation | — |  |  | 25,053 |  |  | — |  |  | — |  |  | 25,053 |
Balance at September 30, 2018 | $ | 1,382 |  |  | $ | 10,249,311 |  |  | $ | 167,946 |  |  | $ | (21,241 | ) |  | $ | 10,397,398 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
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- References No definition available. + Details
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