Financial Assets and Liabilities - Fair Value Inputs (Details) $ in Thousands	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 81,358	$ 66,030
Minimum | Discounted cash flow | Estimated revenue growth
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.025	(0.090)
Minimum | Discounted cash flow | Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.144	0.144
Minimum | Market | Future enterprise value/ EBIDTA ratio
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.00087	0.00122
Maximum | Discounted cash flow | Estimated revenue growth
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.326	0.390
Maximum | Discounted cash flow | Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.144	0.144
Maximum | Market | Future enterprise value/ EBIDTA ratio
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.00211	0.00219
Weighted Average | Discounted cash flow | Estimated revenue growth
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.106	0.096
Weighted Average | Discounted cash flow | Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.144	0.144
Weighted Average | Market | Future enterprise value/ EBIDTA ratio
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.00140	0.00138