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Debt and Credit Agreement - Changes in the Balance of Deferred Debt Issuance Costs (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
Change In Debt Issuance Costs, Net [Roll Forward]  
Balance $ 4,253
Balance 3,979
Line of Credit  
Change In Debt Issuance Costs, Net [Roll Forward]  
Balance 4,253
Additions 0
Amortization (274)
Balance $ 3,979