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Stockholders' Equity - Options Outstanding Separated Into Range of Exercise Price (Details) | 9 Months Ended
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Sep. 30, 2020 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Weighted average exercise price (in dollars per share) | $ 20.822
Options outstanding (in shares) | shares | 332,361
Weighted average remaining contractual life (Year) | 3 years 8 months 1 day
Range One |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Lower range of exercise price (in dollars per share) | $ 6.230
Upper range of exercise price (in dollars per share) | 8.800
Weighted average exercise price (in dollars per share) | $ 8.289
Options outstanding (in shares) | shares | 10,356
Weighted average remaining contractual life (Year) | 1 year 4 months 9 days
Range Two |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Lower range of exercise price (in dollars per share) | $ 12.470
Upper range of exercise price (in dollars per share) | 16.870
Weighted average exercise price (in dollars per share) | $ 14.282
Options outstanding (in shares) | shares | 89,825
Weighted average remaining contractual life (Year) | 3 years 4 months 13 days
Range Three |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Lower range of exercise price (in dollars per share) | $ 19.510
Upper range of exercise price (in dollars per share) | 24.230
Weighted average exercise price (in dollars per share) | $ 21.440
Options outstanding (in shares) | shares | 173,998
Weighted average remaining contractual life (Year) | 3 years 9 months 14 days
Range Four |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Weighted average exercise price (in dollars per share) | $ 29.880
Options outstanding (in shares) | shares | 46,588
Weighted average remaining contractual life (Year) | 4 years 4 months 24 days
Range Five |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Weighted average exercise price (in dollars per share) | $ 39.860
Options outstanding (in shares) | shares | 11,594
Weighted average remaining contractual life (Year) | 3 years 5 months 19 days

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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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