Quarterly report pursuant to Section 13 or 15(d)

Subsequent events (Details)

v3.21.2
Subsequent events (Details) - Subsequent Event [Member] - USD ($)
Jul. 30, 2021
Jul. 29, 2021
Subsequent Event [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity $ 35,000,000.0 $ 25,000,000.0
Line of Credit Facility Additional Borrowing Capacity $ 25,000,000.0  
Debt Instrument, Basis Spread on Variable Rate 0.50%  
Debt Instrument, Basis Spread on Variable Rate- Base Rate 1.00%  
Line of Credit Facility, Commitment Fee Percentage 0.125%  
Minimum [Member]    
Subsequent Event [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 1.50%  
Debt Instrument, Basis Spread on Variable Rate- Base Rate 0.50%  
Maximum [Member]    
Subsequent Event [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 2.00%  
Debt Instrument, Basis Spread on Variable Rate- Base Rate 1.00%