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Equity and Capital (Tables) | 6 Months Ended
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Jun. 30, 2017
Equity and Capital [Abstract] |
Summary of shares issued under ATM equity programs | The following table presents the shares that were issued under the ATM equity program during the six months ended June 30, 2016:
| Six months ended June 30,
(dollar amounts are in thousands, except price per share data) | 2016
Shares issued (1) | 182,787 |
Weighted average price per share | $ | 68.85 |
Gross proceeds | $ | 12,584 |
Commissions | $ | 157 |
(1) Reflects shares traded in December and settled in January.
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 Securities |  | AOCI |  | Cash Flow Hedges |  | Unrealized gain (loss) on Available-For-Sale Securities |  | AOCI |  | AOCI
Balance as of December 31, 2015 | $ | (58,650 | ) |  | (43 | ) |  | (58,693 | ) |  | (785 | ) |  | — |  |  | (785 | ) |  | (59,478 | )
Other comprehensive income before reclassifications | (26,256 | ) |  | 37 |  |  | (26,219 | ) |  | (375 | ) |  | — |  |  | (375 | ) |  | (26,594 | )
Amounts reclassified from accumulated other comprehensive income | 4,874 |  |  | — |  |  | 4,874 |  |  | 78 |  |  | — |  |  | 78 |  |  | 4,952 |
Current period other comprehensive income, net | (21,382 | ) |  | 37 |  |  | (21,345 | ) |  | (297 | ) |  | — |  |  | (297 | ) |  | (21,642 | )
Balance as of June 30, 2016 | $ | (80,032 | ) |  | (6 | ) |  | (80,038 | ) |  | (1,082 | ) |  | — |  |  | (1,082 | ) |  | (81,120 | )
| Controlling Interest |  | Noncontrolling Interest |  | Total
(in thousands) | Cash Flow Hedges |  | Unrealized gain (loss) on Available-For-Sale Securities |  | AOCI |  | Cash Flow Hedges |  | Unrealized gain (loss) on Available-For-Sale 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 accumulated other comprehensive income | 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 | )
Schedule of amounts reclassified out of accumulated other comprehensive loss | The following represents amounts reclassified out of AOCI into income:
AOCI Component | Amount Reclassified from AOCI into income |  | Affected Line Item(s) Where Net Income is Presented
| Three months ended June 30, |  | Six months ended June 30, |  |
(in thousands) | 2017 |  | 2016 |  | 2017 |  | 2016 |  |
Interest rate swaps | $ | 3,071 |  |  | 2,500 |  |  | $ | 5,726 |  |  | 4,952 |  |  | Interest expense and Loss on derivative instruments

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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