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Stock-Based Compensation - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) shares | Dec. 31, 2019 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares of common stock available for issuance (in shares) | shares | 807,671 |  |
Shares of common stock reserved for issuance (in shares) | shares | 3,370,000 |  |
Share-based payment arrangement, amount capitalized | $ 0 | $ 0 | $ 0
Intrinsic value, stock options exercised | 200,000 | 400,000 | 6,400,000
Cash received from stock option exercises | 66,000 | $ 163,000 | $ 726,000
Restricted stock units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Grant-date intrinsic value | $ 28,800,000 |  |
Share settlement under RSUs (in shares) | shares | 73,069 | 68,625 | 66,441
Cash used for employee withholding tax payments | $ 19,500,000 | $ 6,500,000 | $ 6,900,000
Unamortized stock-based compensation expense | $ 24,900,000 | $ 22,300,000 |
Weighted average remaining amortization period | 1 year | 1 year 2 months 12 days |
Restricted stock units (RSUs), performance-based |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Awards granted (in shares) | shares | 26,425 | 68,371 |
Period for recognition of compensation expense | 3 years |  |
Minimum | Restricted stock units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 1 year |  |
Maximum | Restricted stock units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 3 years |  |
Common Stock | Restricted stock units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Conversion ratio | 1 |  |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents 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 (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + 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 -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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