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Incentive Plans - Summary of Long-Term Incentive Units (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Units |  |  |
Granted (shares) | 170 | 151 |
Minimum |  |  |
Weighted-Average Grant Date Fair Value |  |  |
Award vesting period | 2 years |  |
Maximum |  |  |
Weighted-Average Grant Date Fair Value |  |  |
Award vesting period | 3 years |  |
Long-term incentive units |  |  |
Units |  |  |
Unvested beginning of period (shares) | 250,468 |  |
Granted (shares) | 169,663 |  |
Vested (shares) | (140,873) |  |
Unvested end of period (shares) | 279,258 | 250,468 |
Weighted-Average Grant Date Fair Value |  |  |
Unvested, beginning of period (in dollars per share) | $ 132.66 |  |
Granted (in dollars per share) | 153.67 |  |
Vested (in dollars per share) | 130.79 |  |
Unvested, end of period (in dollars per share) | $ 146.37 | $ 132.66 |
Weighted-Average Remaining Contractual Life (Years) | 1 year 6 months 18 days |  |
Aggregate Intrinsic Value, unvested | $ 28,001 |  | $ 11,600
Intrinsic value of units | $ 18,100 | $ 17,500 |
Long term incentive units outstanding and exercisable | 1,000,000.0 |  |
Intrinsic value outstanding and exercisable | $ 102,600 |  |
Weighted Average Fair Value at Date of Grant | $ 146.37 | $ 132.66 | $ 134.55
Long-term incentive units | Minimum |  |  |
Weighted-Average Grant Date Fair Value |  |  |
Award vesting period | 2 years |  |
Long-term incentive units | Maximum |  |  |
Weighted-Average Grant Date Fair Value |  |  |
Award vesting period | 4 years |  |
Market-based performance awards |  |  |
Weighted-Average Grant Date Fair Value |  |  |
Weighted Average Fair Value at Date of Grant | $ 154.26 | $ 137.69 | 159.34
Interxion awards |  |  |
Weighted-Average Grant Date Fair Value |  |  |
Weighted Average Fair Value at Date of Grant |  |  | $ 120.67
Restricted stock |  |  |
Units |  |  |
Unvested beginning of period (shares) | 509,369 |  |
Granted (shares) | 373,953 |  |
Vested (shares) | (309,631) |  |
Cancelled or expired (shares) | (65,854) |  |
Unvested end of period (shares) | 507,837 | 509,369 |
Weighted-Average Grant Date Fair Value |  |  |
Unvested, beginning of period (in dollars per share) | $ 129.52 |  |
Granted (in dollars per share) | 131.69 |  |
Vested (in dollars per share) | 128.22 |  |
Cancelled or expired (in dollars per share) | 132.14 |  |
Unvested, end of period (in dollars per share) | $ 131.57 | $ 129.52 |
Weighted-Average Remaining Contractual Life (Years) | 2 years 4 months 9 days |  |
Aggregate Intrinsic Value, unvested | $ 50,921 |  |
Intrinsic value of units | $ 39,500 | $ 59,000 | $ 53,400
Weighted Average Fair Value at Date of Grant | $ 131.57 | $ 129.52 | $ 138.82
Award vesting period | 4 years |  |

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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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