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Share-Based Payments - Summary of Restricted Stock and RSU Vesting Dates (Details) - LTIP [Member] | Dec. 31, 2017 shares
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 1,738,307
2018 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 826,439
2019 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 602,642
2020 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 309,226
Restricted Stock Vesting [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 105,561
Restricted Stock Vesting [Member] | 2018 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 67,934
Restricted Stock Vesting [Member] | 2019 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 32,733
Restricted Stock Vesting [Member] | 2020 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 4,894
RSU Vesting [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 1,632,746
RSU Vesting [Member] | 2018 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 758,505
RSU Vesting [Member] | 2019 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 569,909
RSU Vesting [Member] | 2020 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares vesting (in shares) | 304,332

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- Definition Share based compensation arrangement by share based payment award equity instruments other than options expected to vest. + References No definition available. + Details
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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. + References No definition available. + Details
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