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v3.19.2

Stock-Based Compensation - Outstanding Awards (Details) - USD ($) $ / shares in Units, $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
2014 Plan | Options |  |
Fair value assumptions |  |
Dividend rate | 0.00% |
Options |  |
Unrecognized compensation cost options | $ 2.9 |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | 1 year |
2014 Plan | Options | Series A common stock |  |
Options |  |
Outstanding beginning balance (in shares) | 393,000 |
Options granted (in shares) | 0 |
Exercised (in shares) | (90,000) |
Outstanding ending balance (in shares) | 303,000 |
Number of awards exercisable (in shares) | 303,000 |
WAEP Outstanding beginning balance (in dollars per share) | $ 33.31 |
WAEP options exercised (in dollars per share) | 33.21 |
WAEP Outstanding ending balance (in dollars per share) | 33.34 |
WAEP options exercisable (in dollars per share) | $ 33.34 |
Weighted average remaining contractual life outstanding | 6 months |
Weighted average remaining contractual life exercisable | 6 months |
Aggregate intrinsic value outstanding | $ 21.0 |
Aggregate intrinsic value exercisable | $ 21.0 |
2014 Plan | Options | Series B common stock |  |
Options |  |
Options granted (in shares) | 0 |
2014 Plan | Options | Series C common stock |  |
Options |  |
Outstanding beginning balance (in shares) | 2,356,000 |
Options granted (in shares) | 41,000 |
Exercised (in shares) | (181,000) |
Outstanding ending balance (in shares) | 2,216,000 |
Number of awards exercisable (in shares) | 1,415,000 |
WAEP Outstanding beginning balance (in dollars per share) | $ 43.77 |
WAEP Options granted (in dollars per share) | 88.99 |
WAEP options exercised (in dollars per share) | 33.14 |
WAEP Outstanding ending balance (in dollars per share) | 45.48 |
WAEP options exercisable (in dollars per share) | $ 42.57 |
Weighted average remaining contractual life outstanding | 4 years 1 month 6 days |
Weighted average remaining contractual life exercisable | 3 years 3 months 18 days |
Aggregate intrinsic value outstanding | $ 130.0 |
Aggregate intrinsic value exercisable | $ 87.0 |
2014 Plan | Options | Common Stock Class A and C |  |
Options |  |
Common Stock, Capital Shares Reserved for Future Issuance | 2,500,000 |
Skyhook | LTIPs | PARs and PSUs | Other liabilities | Level 2 |  |
Options |  |
Deferred compensation | $ 1.0 | $ 1.1

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