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Equity-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2020
Share-based Payment Arrangement [Abstract]  
Summary of Common Unit Activity
The summary of Common Unit activity under the Switch Operating Agreement for the year ended December 31, 2020 is presented below:
Number of Units
(in thousands)		Weighted Average Grant Date Fair Value per Unit
Unvested Common Units—January 1, 20203,188 $11.11 
Vested(1,594)$11.11 
Unvested Common Units—December 31, 20201,594 $11.11 
Summary of Stock Option Activity
The summary of stock option activity under the 2017 Plan for the year ended December 31, 2020 is presented below:
Number of Stock Options (in thousands)Weighted Average Exercise Price per Stock OptionWeighted Average Remaining Contractual Life
(in years)		Aggregate Intrinsic Value (in thousands)
Outstanding—January 1, 20208,342 $13.57 
Granted1,117 $14.95 
Exercised(177)$17.00 
Expired(219)$17.00 
Outstanding—December 31, 20209,063 $13.59 7.53$28,135 
Fully vested and expected to vest—December 31, 20209,063 $13.59 7.53$28,135 
Exercisable—December 31, 20205,991 $14.93 7.04$11,537 
Additional Disclosures for Stock Options
The following additional disclosures are provided for stock options under the 2017 Plan:
Years Ended
December 31,
202020192018
Weighted average grant date fair value$4.38 $3.15 $1.84 
Total fair value of stock options vested (in thousands)$1,917 $959 $176 
Total intrinsic value of stock options exercised (in thousands)$85 $— $— 
Weighted-Average Assumptions Used in Estimating the Grant Date Fair Value of Awards
The weighted average assumptions used in estimating the grant date fair value of stock options are listed in the table below:
Years Ended
December 31,
202020192018
Expected volatility31.3 %29.3 %28.2 %
Risk-free interest rate0.9 %2.5 %2.8 %
Expected term (in years)6.36.35.9
Dividend rate0.8 %1.1 %1.7 %
Summary of RSU Activity
The summary of RSU activity, inclusive of DEU settlements, under the 2017 Plan for the year ended December 31, 2020 is presented below:
Number of Units
(in thousands)		Weighted Average Grant Date Fair Value per Unit
Unvested RSUs—January 1, 20203,308 $12.53 
Granted1,454 $15.05 
Vested(1,016)$12.85 
Forfeited(180)$13.81 
Unvested RSUs—December 31, 20203,566 $13.40 
Additional Disclosures for RSU Awards
The following additional disclosures are provided for RSU awards under the 2017 Plan:
Years Ended
December 31,
202020192018
Weighted average grant date fair value$15.05 $9.12 $15.03 
Total fair value of shares vested (in thousands)$15,102 $5,114 $2,925 
Summary of RSA Activity
The summary of RSA activity under the 2017 Plan for the year ended December 31, 2020 is presented below:
Number of Units
(in thousands)		Weighted Average Grant Date Fair Value per Unit
Unvested RSAs—January 1, 202080 $12.55 
Granted75 $16.61 
Vested(80)$12.55 
Unvested RSAs—December 31, 202075 $16.61 
Additional Disclosures for RSA Awards
The following additional disclosures are provided for RSAs under the 2017 Plan:
Years Ended
December 31,
202020192018
Weighted average grant date fair value$16.61 $12.55 $13.08 
Total fair value of shares vested (in thousands)$1,432 $768 $— 
Equity-Based Compensation
Total equity-based compensation recognized on the consolidated statements of comprehensive income was as follows:
Years Ended
December 31,
202020192018
(in thousands)
Cost of revenue$1,864 $1,491 $1,468 
Selling, general and administrative expense26,869 28,033 34,265 
Total equity-based compensation$28,733 $29,524 $35,733