Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Principles - Accounts Receivable and Allowance for Doubtful Receivables (Details)

v3.20.4
Summary of Significant Accounting Principles - Accounts Receivable and Allowance for Doubtful Receivables (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
Summary of Significant Accounting Policies  
Number of days in allowance used n the calculation (greater than) 120 days
Derivative Instruments and Hedging Activities  
Derivative instruments $ 0