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Equity and Capital (Tables) | 6 Months Ended
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Jun. 30, 2018
Equity and Capital [Abstract] |
Summary of accumulated other comprehensive loss | The following tables present changes in the balances of each component of AOCI:
| Controlling Interest |  | Noncontrolling Interest |  | Total
(in thousands) | Cash Flow Hedges |  | Unrealized gain (loss) on Available-For-Sale Debt Securities |  | AOCI |  | Cash Flow Hedges |  | Unrealized gain (loss) on Available-For-Sale Debt Securities |  | AOCI |  | AOCI
Balance as of December 31, 2016 | $ | (18,327 | ) |  | (19 | ) |  | (18,346 | ) |  | (301 | ) |  | — |  |  | (301 | ) |  | (18,647 | )
Other comprehensive income before reclassifications | (3,770 | ) |  | 43 |  |  | (3,727 | ) |  | (103 | ) |  | — |  |  | (103 | ) |  | (3,830 | )
Amounts reclassified from AOCI (1) | 5,638 |  |  | — |  |  | 5,638 |  |  | 88 |  |  | — |  |  | 88 |  |  | 5,726 |
Current period other comprehensive income, net | 1,868 |  |  | 43 |  |  | 1,911 |  |  | (15 | ) |  | — |  |  | (15 | ) |  | 1,896 |
Balance as of June 30, 2017 | $ | (16,459 | ) |  | 24 |  |  | (16,435 | ) |  | (316 | ) |  | — |  |  | (316 | ) |  | (16,751 | )
(1) Amounts recelassified from AOCI into income are presented within Interest expense, net in the Consolidated Statement of Operations.
| Controlling Interest |  | Noncontrolling Interest |  | Total
(in thousands) | Cash Flow Hedges |  | Unrealized gain (loss) on Available-For-Sale Debt Securities |  | AOCI |  | Cash Flow Hedges |  | Unrealized gain (loss) on Available-For-Sale Debt Securities |  | AOCI |  | AOCI
Balance as of December 31, 2017 | $ | (6,262 | ) |  | (27 | ) |  | (6,289 | ) |  | (112 | ) |  | — |  |  | (112 | ) |  | (6,401 | )
Opening adjustment due to change in accounting policy (2) | 12 |  |  | — |  |  | 12 |  |  | 2 |  |  | — |  |  | 2 |  |  | 14 |
Adjusted balance as of December 31, 2017 | (6,250 | ) |  | (27 | ) |  | (6,277 | ) |  | (110 | ) |  | — |  |  | (110 | ) |  | (6,387 | )
Other comprehensive income before reclassifications | 13,156 |  |  | (75 | ) |  | 13,081 |  |  | 638 |  |  | — |  |  | 638 |  |  | 13,719 |
Amounts reclassified from AOCI (1) | 3,513 |  |  | — |  |  | 3,513 |  |  | 40 |  |  | — |  |  | 40 |  |  | 3,553 |
Current period other comprehensive income, net | 16,669 |  |  | (75 | ) |  | 16,594 |  |  | 678 |  |  | — |  |  | 678 |  |  | 17,272 |
Balance as of June 30, 2018 | $ | 10,419 |  |  | (102 | ) |  | 10,317 |  |  | 568 |  |  | — |  |  | 568 |  |  | 10,885 |
(1) Amounts recelassified from AOCI into income are presented within Interest expense, net in the Consolidated Statement of Operations.
(2) Upon adoption of ASU 2017-12, the Company recognized the immaterial adjustment to opening retained earnings and AOCI for previously recognized hedge ineffectiveness from off-market hedges, as further discussed in note 1.

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- Definition Equity and Capital [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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