XML 88 R64.htm IDEA: XBRL DOCUMENT v3.22.1
Debt - Revolving Line of Credit (Details) - USD ($)
1 Months Ended 12 Months Ended
Aug. 31, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]          
Proceeds from borrowing on credit facilities     $ 0 $ 64,563,000 $ 0
Repayments of lines of credit     $ 38,124,000 $ 26,439,000 $ 0
Line of Credit | Variable Rate Revolving Line Of Credit          
Debt Instrument [Line Items]          
Proceeds from borrowing on credit facilities   $ 11,400,000      
Revolving Credit Facility | Line of Credit | Variable Rate Revolving Line Of Credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity $ 15,000,000        
Interest rate 4.50%        
Interest rate at period end     3.75%    
Interest rate, if certain milestones are achieved 4.00%        
Unused credit facility fee 0.30%        
Proceeds from borrowing on credit facilities     $ 11,400,000    
Repayments of lines of credit     11,400,000    
Revolving Credit Facility | Line of Credit | Variable Rate Revolving Line Of Credit | Prime Rate          
Debt Instrument [Line Items]          
Basis spread 0.50%        
Letter of Credit | Line of Credit | Variable Rate Revolving Line Of Credit          
Debt Instrument [Line Items]          
Letter of credit     $ 3,500,000