Quarterly report pursuant to Section 13 or 15(d)

Long-term Debt - Narrative (Details)

v3.20.1
Long-term Debt - Narrative (Details)
Jan. 01, 2019
USD ($)
Dec. 20, 2018
USD ($)
debt_installment
Mar. 31, 2020
USD ($)
Dec. 19, 2018
USD ($)
$20 million Term loan, due January 1, 2024        
Line of Credit Facility [Line Items]        
Debt term 5 years 5 years    
Principal amount of debt $ 20,000,000 $ 20,000,000    
Repayments of debt, number of consecutive installments | debt_installment   60    
$20 million Term loan, due January 1, 2024 | London Interbank Offered Rate (LIBOR)        
Line of Credit Facility [Line Items]        
Basis spread   1.90%    
Revolving Credit Facility | $100 million Revolving line of credit, due December 20, 2021        
Line of Credit Facility [Line Items]        
Maximum borrowing capacity   $ 100,000,000   $ 80,000,000
Remaining borrowing capacity     $ 18,800,000  
Revolving Credit Facility | $100 million Revolving line of credit, due December 20, 2021 | London Interbank Offered Rate (LIBOR)        
Line of Credit Facility [Line Items]        
Basis spread   1.65%