Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Summary of Financial and Non-Financial Liabilities (Details)

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Fair Value Measurements - Summary of Financial and Non-Financial Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets $ 0 $ 0
Liabilities 0 0
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 126,764 21,352
Liabilities 53,438 34,393
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 0 0
Liabilities $ 0 $ 0