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Stockholders' Equity (Details 2) - USD ($) $ in Thousands, shares in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020
Class of stock |  |  |  |  |
Repurchase and retirement of common stock under repurchase plan, value |  |  |  | $ (100,081) | $ (50,069)
2020 Accelerated share repurchase program |  |  |  |  |
Class of stock |  |  |  |  |
Accelerated share repurchase program, upfront payment |  |  | $ 50,000 |  |
Repurchase and retirement of common stock under repurchase plan, shares |  | (0.1) | (2.6) |  |
Repurchase and retirement of common stock under repurchase plan, value |  |  | $ (40,000) |  |
Remaining initial payment, unsettled forward contract indexed to Company's stock |  |  | $ 10,000 |  |
2021 Accelerated share repurchase program |  |  |  |  |
Class of stock |  |  |  |  |
Accelerated share repurchase program, upfront payment |  | $ 100,000 |  |  |
Repurchase and retirement of common stock under repurchase plan, shares | (0.4) | (3.9) |  |  |
Repurchase and retirement of common stock under repurchase plan, value |  | $ (80,000) |  |  |
Remaining initial payment, unsettled forward contract indexed to Company's stock |  | $ 20,000 |  |  |

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- Definition The excess of the amount paid under the accelerated stock repurchase agreement at inception relative to the fair value of the initial delivery of shares, evaluated as an unsettled forward contract indexed to the issuer's stock and reduced from Stockholders' Equity. + References No definition available. + Details
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- Definition Number of shares that have been repurchased and retired during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 + Details
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