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Equity Compensation Plans (Narrative) (Details)
shares in Thousands, $ in Thousands
 9 Months Ended
Sep. 30, 2022
USD ($)
plan
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of share-based incentive plans (in shares) | plan 2
Offering period 6 months
Participants purchase limit shares (in shares) 3
2014 Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Common stock reserved for issuance (in shares) 13,999
Shares available for future grants (in shares) 2,188
2008 Employee Stock Purchase Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Common stock reserved for issuance (in shares) 228
Company's common stock may be purchased at a discount (percent) 15.00%
Participants purchase limit value | $ $ 25