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Earnings per Share and Unit (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Income per common unit - diluted |  |  |  |
Weighted Average Limited Partnership Units Outstanding, Basic |  |  | 238,987 | 154,170
Parent Company [Member] |  |  |  |
Earnings Per Share [Abstract] |  |  |  |
Net income attributable to common stockholders | $ 48,368 | $ 34,810 | $ 15,144 | $ 82,687
Weighted average common units outstanding for basic EPU (in shares) | 170,088,000 | 97,657,000 | 148,610,000 | 97,588,000
Weighted average common units outstanding for diluted EPU (in shares) | 170,420,000 | 98,218,000 | 148,930,000 | 98,075,000
Income per common share/unit - basic: |  |  |  |
Continuing operations (in dollars per share) | $ 0.28 | $ 0.36 | $ 0.10 | $ 0.85
Income per common share/unit - diluted: |  |  |  |
Continuing operations (in dollars per share) | $ 0.28 | $ 0.35 | $ 0.10 | $ 0.84
Partnership Interest [Member] |  |  |  |
Earnings Per Share [Abstract] |  |  |  |
Weighted average common units outstanding for basic EPU (in shares) | 170,410,000 | 97,811,000 | 148,849,000 | 97,742,000
Weighted average common units outstanding for diluted EPU (in shares) | 170,742,000 | 98,372,000 | 149,169,000 | 98,229,000
Income per common unit - basic |  |  |  |
Continuing operations (in dollars per share) | $ 0.28 | $ 0.36 | $ 0.10 | $ 0.85
Income per common unit - diluted |  |  |  |
Continuing operations (in dollars per share) | $ 0.28 | $ 0.35 | $ 0.10 | $ 0.84
Continuing Operations [Member] | Parent Company [Member] |  |  |  |
Earnings Per Share [Abstract] |  |  |  |
Net income attributable to common stockholders | $ 48,368 | $ 34,810 | $ 15,144 | $ 82,687
Net income for common stock unit/holders - diluted | 48,368 | 34,810 | 15,144 | 82,687
Continuing Operations [Member] | Partnership Interest [Member] |  |  |  |
Earnings Per Share [Abstract] |  |  |  |
Net income attributable to common stockholders | 48,472 | 34,874 | 15,229 | 82,837
Net income for common stock unit/holders - diluted | $ 48,472 | $ 34,874 | $ 15,229 | $ 82,837

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- Definition Per unit of ownership amount after tax of income (loss) from continuing operations available to limited partnership (LP) unit-holder and units that would have been outstanding assuming the issuance of limited partner units for dilutive potential units outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
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- Definition The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(20)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-03(13)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20187-122688 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(11)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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