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Fair Value Measurement Fair Value Measurements, Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | $ 20,101 | $ 31,216
Short-term investment securities | 14,420 | 14,687
Debt Securities, Noncurrent | 4,620 | 12,974
Interest Rate Derivative Liabilities, at Fair Value | 1,480 | 0
Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 0 | 0
Short-term investment securities | 0 | 0
Debt Securities, Noncurrent | 0 | 0
Interest Rate Derivative Liabilities, at Fair Value | 0 |
Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 20,101 | 31,216
Short-term investment securities | 14,420 | 14,687
Debt Securities, Noncurrent | 4,620 | 12,974
Interest Rate Derivative Liabilities, at Fair Value | 1,480 |
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | 0 | 0
Short-term investment securities | 0 | 0
Debt Securities, Noncurrent | 0 | 0
Interest Rate Derivative Liabilities, at Fair Value | 0 |
Prepaid Expenses and Other Current Assets [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 1,061 | 3,555
Prepaid Expenses and Other Current Assets [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0 | 0
Prepaid Expenses and Other Current Assets [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 1,061 | 3,555
Prepaid Expenses and Other Current Assets [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0 | 0
Earn-out liability [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Nonfinancial Liabilities Fair Value Disclosure | 2,589 | 26,300
Earn-out liability [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Nonfinancial Liabilities Fair Value Disclosure | 0 | 0
Earn-out liability [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Nonfinancial Liabilities Fair Value Disclosure | 0 | 0
Earn-out liability [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Nonfinancial Liabilities Fair Value Disclosure | 2,589 | 26,300
Liabilities, Total [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Nonfinancial Liabilities Fair Value Disclosure | 4,069 | 26,300
Liabilities, Total [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Nonfinancial Liabilities Fair Value Disclosure | 0 | 0
Liabilities, Total [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Nonfinancial Liabilities Fair Value Disclosure | 1,480 | 0
Liabilities, Total [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Nonfinancial Liabilities Fair Value Disclosure | $ 2,589 | $ 26,300

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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