Stock-Based Compensation Restricted Stock Units Summary (Details) - Restricted Stock Units (RSUs) [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Number of Restricted Stock Units
Outstanding, beginning balance (in shares)		430	544
Granted (in shares)		356	203
Forfeited (in shares)		(45)	(33)
Outstanding, ending balance (in shares)		584	520
Weighted Average Grant Date Fair Value
Outstanding, beginning balance, weighted average grant date fair value (in dollars per share)		$ 85.77
Granted, weighted average grant date fair value (in dollars per share)		53.47	$ 98.94
Forfeited, weighted average grant date fair value (in dollars per share)		73.03
Outstanding, ending balance, weighted average grant date fair value (in dollars per share)		$ 67.15
Vested and Released [Member]
Number of Restricted Stock Units
Released (in shares)	[1]	(157)	(194)
Weighted Average Grant Date Fair Value
Released, weighted average grant date fair value (in dollars per share)		$ 85.78
Released, aggregate intrinsic value		$ 8,430	$ 19,474
Vested but Not Released [Member]
Number of Restricted Stock Units
Released (in shares)		(11)
Weighted Average Grant Date Fair Value
Released, aggregate intrinsic value		$ 567
Long Term Performance Restricted Stock Award [Member]
Weighted Average Grant Date Fair Value
Granted, weighted average grant date fair value (in dollars per share)		$ 57.88	$ 113.75

[1] (1)     Shares released is presented as gross shares and does not reflect shares withheld by us for employee payroll tax obligations.