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Debt - Wintrust Term and Revolving Loans (Details)
Feb. 24, 2021
USD ($)
covenant
Jun. 30, 2021
USD ($)
Loans    
Debt Instrument [Line Items]    
Aggregate amount of unfinanced capital expenditures during any fiscal year $ 0  
Limit annual percentage of unfinanced capital expenditures 50.00%  
Loans | Through December 31, 2021    
Debt Instrument [Line Items]    
Number of financial covenants | covenant 3  
Leverage ratio 225.00%  
Loans | All times thereafter    
Debt Instrument [Line Items]    
Leverage ratio 200.00%  
Loans | As of the last day of each fiscal quarter commencing with the fiscal quarter ending March 31, 2021    
Debt Instrument [Line Items]    
Leverage ratio 120.00%  
Loans | Maximum    
Debt Instrument [Line Items]    
Aggregate amount of unfinanced capital expenditures during any fiscal year $ 4,000,000.0  
Wintrust Term Loan    
Debt Instrument [Line Items]    
Debt effective interest rate   4.25%
Letters of credit   $ 3,400,000
Wintrust Revolving Loan    
Debt Instrument [Line Items]    
Debt effective interest rate   3.75%
Secured Debt | Wintrust Term Loan    
Debt Instrument [Line Items]    
Debt issued 30,000,000.0  
Debt installment payments $ 500,000  
Line of Credit | Revolving Credit Facility | Wintrust Term Loan | LIBOR Rate    
Debt Instrument [Line Items]    
Step-down adjustment on basis spread on variable rate 0.50%  
Line of Credit | Revolving Credit Facility | Wintrust Term Loan | LIBOR Rate | Minimum    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.25%  
Line of Credit | Revolving Credit Facility | Wintrust Term Loan | LIBOR Rate | Maximum    
Debt Instrument [Line Items]    
Basis spread on variable rate 4.00%  
Line of Credit | Revolving Credit Facility | Wintrust Term Loan | Base Rate    
Debt Instrument [Line Items]    
Step-down adjustment on basis spread on variable rate 0.75%  
Line of Credit | Revolving Credit Facility | Wintrust Term Loan | Base Rate | Minimum    
Debt Instrument [Line Items]    
Basis spread on variable rate 3.00%  
Line of Credit | Revolving Credit Facility | Wintrust Term Loan | Base Rate | Maximum    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.00%  
Line of Credit | Revolving Credit Facility | Wintrust Revolving Loan    
Debt Instrument [Line Items]    
Line of credit facility, maximum borrowing capacity $ 25,000,000.0  
Line of Credit | Revolving Credit Facility | Wintrust Revolving Loan | LIBOR Rate | Minimum    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.25%  
Line of Credit | Revolving Credit Facility | Wintrust Revolving Loan | LIBOR Rate | Maximum    
Debt Instrument [Line Items]    
Basis spread on variable rate 3.50%  
Line of Credit | Revolving Credit Facility | Wintrust Revolving Loan | Base Rate    
Debt Instrument [Line Items]    
Step-down adjustment on basis spread on variable rate 0.50%  
Line of Credit | Revolving Credit Facility | Wintrust Revolving Loan | Base Rate | Minimum    
Debt Instrument [Line Items]    
Basis spread on variable rate 3.00%  
Line of Credit | Revolving Credit Facility | Wintrust Revolving Loan | Base Rate | Maximum    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.50%  
Line of Credit | Sublimit for Letters of Credit | Wintrust Revolving Loan    
Debt Instrument [Line Items]    
Line of credit facility, maximum borrowing capacity $ 5,000,000.0