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Long-Term Compensation - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Restricted stock/Unit awards and LTIP Unit Awards issued | 286,986 |
Amortization related to restricted stock/Unit awards and LTIP Unit Awards | $ 1,762 | $ 1,689
Unrecognized compensation related to unvested restricted stock/Unit awards and LTIP Unit Awards | $ 14,923 |
Weighted average period of unrecognized compensation expected to be recognized | 1 year 48 days |
Management | Performance Share/Unit Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Restricted stock/Unit awards and LTIP Unit Awards issued | 36,064 |
Fair value of restricted stock/Unit awards and LTIP Unit Awards issued | $ 2,527 |
Vesting period of restricted stock/Unit awards issued | 3 years |
Management | LTIP Unit Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Restricted stock/Unit awards and LTIP Unit Awards issued | 166,942 |
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 | 82,494 |
Fair value of restricted stock/Unit awards and LTIP Unit Awards issued | $ 6,202 |
Vesting period of restricted stock/Unit awards issued | 3 years |
Management | Service LTIP Unit Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Restricted stock/Unit awards and LTIP Unit Awards issued | 102,198 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&loc=d3e5070-113901 + Details
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