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Benefit Plans - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Amortization related to restricted stock/Unit awards and LTIP Unit Awards | $ 3,101 | $ 2,963
Unrecognized compensation related to unvested restricted stock/Unit awards and LTIP Unit Awards | $ 12,705 |
Weighted average period of unrecognized compensation expected to be recognized | 1 year 1 month 21 days |
LTIP Unit Awards | Minimum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting percentage of LTIP Unit Awards | 0.00% |
LTIP Unit Awards | Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting percentage of LTIP Unit Awards | 100.00% |
Management | Restricted Stock/Unit Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Restricted stock/Unit awards and LTIP Unit Awards issued | 252,213 |
Fair value of restricted stock/Unit awards and LTIP Unit Awards issued | $ 6,631 |
Vesting period of restricted stock/Unit awards issued | 3 years |
Compensation expense recognized at date of grant | $ 1,590 | $ 1,590
Management | LTIP Unit Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Restricted stock/Unit awards and LTIP Unit Awards issued | 195,951 |
Fair value of restricted stock/Unit awards and LTIP Unit Awards issued | $ 2,473 |
Vesting period of restricted stock/Unit awards issued | 3 years |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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