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Restructuring and Exit Activity Costs (Narrative) (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Aug. 05, 2020 | Dec. 31, 2020 | Dec. 31, 2021
Facility closing costs | 2020 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Reduction of workforce, percentage |  | 20.00% |
Expected noncash charges | $ 6,400,000 |  |
Severance, termination benefits and other employee costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring reserve |  | $ 7,173,000 | $ 0

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- Definition The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s). + References No definition available. + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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