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Long-Term Debt and Revolving Credit Facility - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2021
Jul. 31, 2021
Sep. 30, 2020
Debt Instrument [Line Items]      
Maturities year one $ 33    
Maturities year two 36    
Maturities year three 40,010    
Maximum borrowing capacity 125,000    
Line of credit facility, remaining borrowing capacity $ 83,300    
Weighted average interest rate on borrowings outstanding. 1.64%   9.25%
Interest Rate Swap | Designated as Hedging Instrument      
Debt Instrument [Line Items]      
Derivative notional amount $ 40,000 $ 40,000  
Revolving Credit Facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity upon request 200,000    
Amount available for letters of credit $ 10,000    
Minimum | Revolving Credit Facility      
Debt Instrument [Line Items]      
Unused capacity, commitment fee percentage (basis points) 0.20%    
Maximum | Revolving Credit Facility      
Debt Instrument [Line Items]      
Unused capacity, commitment fee percentage (basis points) 0.30%    
Financial Standby Letter of Credit      
Debt Instrument [Line Items]      
Letters of credit, amount $ 1,700