Long-Term Compensation - LTIP Units Awards (Detail) - Long Term Incentive Plan Units [Member] shares in Thousands |
12 Months Ended |
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Dec. 31, 2017
$ / shares
shares
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
| Number of Shares, Beginning Balance | 743 |
| Vested LTIP Units | 688 |
| Vested POP LTIP Units | 698 |
| Conversion to common limited partnership units | (597) |
| Number of Shares, Ending Balance | 1,532 |
| Number of Unvested Awards, Beginning Balance | 1,476 |
| Granted | 1,041 |
| Vested LTIP Units | (688) |
| Number of Unvested Awards, Ending Balance | 1,829 |
| Weighted Average Grant Date Fair Value | $ / shares | $ 40.72 |
| Unvested Weighted Average Grant Date Fair Value, Granted | $ / shares | 51.11 |
| Unvested Weighted Average Grant Date Fair Value, Vested LTIP Units | $ / shares | 41.13 |
| Weighted Average Grant Date Fair Value | $ / shares | $ 46.48 |
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options conversion to units number. No definition available.
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options vested beginning of period. No definition available.
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options vested end of period. No definition available.
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options vested LTIP in period weighted average grant date fair value. No definition available.
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options vested LTIP units. No definition available.
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options vested POP LTIP units. No definition available.
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Details
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