Stock-Based and Employee Savings Plans - Schedule of Stock Option Activity (Details) - Employee Stock Option - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Shares
Outstanding balance, beginning of period (in shares)	1,183,000
Assumed (in shares)	0
Exercised (in shares)	(693,000)
Forfeited/expired/canceled (in shares)	(14,000)
Outstanding balance, end of period (in shares)	476,000	1,183,000
Expected to vest (in shares)	78,000
Options exercisable (in shares)	390,000
Weighted Average Exercise Price
Outstanding balance, beginning of period (in usd per share)	$ 27.39
Assumed (in usd per share)	0
Exercised (in usd per share)	29.01
Forfeited/expired/canceled (in usd per share)	22.71
Outstanding balance, end of period (in usd per share)	25.18	$ 27.39
Expected to vest, weighted average exercise price (in usd per share)	19.78
Options exercisable, weighted average exercise price (in usd per share)	$ 26.33
Outstanding balance, end of period, weighted average remaining contractual term (years)	3 years 7 months 9 days
Expected to vest, weighted average remaining contractual term (years)	5 years 7 months 9 days
Options exercisable, weighted average remaining contractual term (years)	3 years 2 months 1 day
Outstanding balance, end of period, aggregate intrinsic value	$ 40,113
Expected to vest, aggregate intrinsic value	6,973
Options exercisable, aggregate intrinsic value	32,431
Weighted average grant date fair value of options granted to employees (in usd per share)		$ 72.02	$ 49.47
Aggregate intrinsic value of options exercised	$ 51,000	$ 71,000	$ 53,000