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Income Tax Matters - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Income Tax Disclosure [Abstract] |  |  |  |  |
Income tax (provision) benefit | $ (1.1) | $ (8.4) | $ (0.3) | $ 7.4 |
Effective tax rate (percent) | 33.00% | 137.00% | (14.00%) | 27.00% |
Effective income tax rate reconciliation, pre-tax income, change in forecasted earnings, percent | 13.00% | 116.00% |  |  |
Effective income tax rate reconciliation, pre-tax income, tax expense (benefit), share-based payment arrangement, percent | (5.00%) | (1.00%) | (11.00%) | 2.00% |
Effective income tax rate reconciliation, pre-tax income, valuation allowance for certain state net operating losses, percent |  | (2.00%) | (4.00%) | 4.00% |
Effective income tax rate reconciliation, pre-tax income, related to federal research & development credit, percent (decrease) |  |  | (42.00%) |  |
Effective income tax rate reconciliation, pre-tax income, tax credits, percent |  |  |  | 3.00% |
Effective income tax rate reconciliation, unrecognized tax benefits, including interest and penalties |  |  | (2.00%) |  |
Effective income tax rate reconciliation, pre-tax income,, increase (decrease) to permanent items including nondeductible compensation expense and foreign withholding tax, percent |  |  | 21.00% | (7.00%) |
Effective income tax rate reconciliation, change in state tax rate, percent |  |  |  | 2.00% |
Gross unrecognized tax benefits | $ 5.0 |  | $ 5.0 |  | $ 4.1
Gross unrecognized tax benefits that would impact effective tax rate | $ 5.0 |  | $ 5.0 |  | $ 4.1

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123586238&loc=d3e38679-109324 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(9)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794 + Details
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