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Subsequent Event (Details) - Subsequent event - Line of credit - Revolving credit facility
Feb. 03, 2021
USD ($)
Loss Contingencies [Line Items]  
Maximum borrowing capacity $ 100,000,000
Maximum borrowing capacity, including accordion feature $ 200,000,000
LIBOR | Minimum  
Loss Contingencies [Line Items]  
Credit agreement, basis spread on variable rate 1.50%
LIBOR | Maximum  
Loss Contingencies [Line Items]  
Credit agreement, basis spread on variable rate 2.25%