Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Outstanding Awards and Exercises (Details)

v3.20.1
Stock-Based Compensation - Outstanding Awards and Exercises (Details) - 2014 Plan - Options
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2020
USD ($)
$ / shares
shares
Compensation cost not yet recognized  
Unrecognized compensation cost options | $ $ 11.2
Period over which unrecognized compensation cost will be recognized 2 years 3 months 18 days
Common Stock Class A and C  
Options additional disclosures  
Shares reserved for future issuance upon exercise of stock options 2,000,000.0
Series A common stock  
Options  
Outstanding beginning balance (in shares) 4,000
Options granted (in shares) 0
Outstanding ending balance (in shares) 4,000
Number of awards exercisable (in shares) 4,000
WAEP  
WAEP Outstanding beginning balance (in dollars per share) | $ / shares $ 47.92
WAEP Outstanding ending balance (in dollars per share) | $ / shares 47.85
WAEP options exercisable (in dollars per share) | $ / shares $ 47.85
Options additional disclosures  
Weighted average remaining contractual life outstanding 1 year 9 months 18 days
Weighted average remaining contractual life exercisable 1 year 9 months 18 days
Series C common stock  
Options  
Outstanding beginning balance (in shares) 1,932,000
Options granted (in shares) 104,000
Exercised (in shares) (1,000)
Outstanding ending balance (in shares) 2,035,000
Number of awards exercisable (in shares) 1,622,000
WAEP  
WAEP Outstanding beginning balance (in dollars per share) | $ / shares $ 61.43
WAEP Options granted (in dollars per share) | $ / shares 112.29
WAEP options exercised (in dollars per share) | $ / shares 51.98
WAEP Outstanding ending balance (in dollars per share) | $ / shares 64.02
WAEP options exercisable (in dollars per share) | $ / shares $ 50.00
Options additional disclosures  
Weighted average remaining contractual life outstanding 5 years 1 month 6 days
Weighted average remaining contractual life exercisable 4 years 8 months 12 days
Aggregate intrinsic value outstanding | $ $ 98.0
Aggregate intrinsic value exercisable | $ $ 98.0
Series B common stock  
Options  
Options granted (in shares) 0