Employee Benefit Plans (Schedule of Stock Option Activity) (Details) - Share-based Payment Arrangement, Option $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of shares, beginning balance (in shares) | shares	1,969
Number of shares, granted (in shares) | shares	502
Number of shares, exercised (in shares) | shares	(250)
Number of shares, cancelled (in shares) | shares	(16)
Number of shares, expired (in shares) | shares	(17)
Number of shares, ending balance (in shares) | shares	2,188
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Vested and expected to vest (in shares) | shares	2,188
Exercisable (in shares) | shares	1,411
Beginning balance (in dollars per share) | $ / shares	$ 25.30
Grants (in dollars per share) | $ / shares	26.61
Exercises (in dollars per share) | $ / shares	20.08
Cancelled (in dollars per share) | $ / shares	36.27
Expired (in dollars per share) | $ / shares	36.81
Ending balance (in dollars per share) | $ / shares	26.03
Vested and expected to vest, weighted average exercise price (in dollars per share) | $ / shares	26.03
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 23.96
Outstanding, Weighted Average Remaining Contractual Term	6 years 1 month 6 days
Vested and expected to vest, weighted average remaining contractual term	6 years 1 month 6 days
Exercisable, weighted average remaining contractual term	4 years 7 months 6 days
Outstanding, Intrinsic Value | $	$ 4,171
Vested and expected to vest, aggregate intrinsic value | $	4,171
Exercisable, intrinsic value | $	$ 4,153