XML 64 R48.htm IDEA: XBRL DOCUMENT v3.22.0.1
Revolving Credit Facility and Long-Term Debt - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2022
Apr. 30, 2021
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Jun. 29, 2020
Line of Credit Facility [Line Items]                  
Line of credit facility commitment fee description             The Amended Agreement also provides for an unused commitment fee of 0.30% per year on the average daily unused amount of the revolving credit line    
Balance in Chubb trust accounts     $ 273,600,000       $ 273,600,000 $ 290,700,000 $ 115,700,000
Agreement [Member]                  
Line of Credit Facility [Line Items]                  
Line of credit facility commitment fee description             The Agreement also provided for an unused commitment fee of 0.375% per year on the average daily unused amount of the revolving credit line, as well as a fee of 1.75% of the face amount of each letter of credit reserved under the line of credit.    
Credit facility borrowing used     6,200,000       $ 6,200,000    
Outstanding balance on term loan and revolving credit facility     $ 0       0 0  
Balance in Chubb trust accounts   $ 25,000,000.0              
Ratio of restricted and unrestricted cash and investments to workers' compensation and claim liabilities     1.00% 1.00% 1.00% 1.00%      
Dividends or distributions paid             0    
Maximum amount to redeem retire repurchase or acquire stock upon agreement             15,000,000    
Minimum [Member]                  
Line of Credit Facility [Line Items]                  
Adjusted free cash flow amount     $ 10,000,000 $ 10,000,000 $ 10,000,000 $ 10,000,000      
Tangible net worth amount     100,000,000 100,000,000 100,000,000 100,000,000      
Minimum [Member] | Agreement [Member]                  
Line of Credit Facility [Line Items]                  
EBITDA     30,000,000 $ 30,000,000 $ 30,000,000 $ 30,000,000 30,000,000    
Maximum [Member] | Agreement [Member]                  
Line of Credit Facility [Line Items]                  
Prohibition on incurring additional indebtedness without the prior approval of the Bank in purchase money financing             1,000,000    
Revolving Credit Facility [Member]                  
Line of Credit Facility [Line Items]                  
Credit facility borrowing capacity     50,000,000.0       50,000,000.0    
Revolving Credit Facility [Member] | Agreement [Member]                  
Line of Credit Facility [Line Items]                  
Credit facility borrowing capacity     33,000,000.0       $ 33,000,000.0    
Unused commitment fee on unused amount during period             0.375%    
Revolving Credit Facility [Member] | SOFR [Member]                  
Line of Credit Facility [Line Items]                  
Term loan from bank interest rate description             ) the daily Simple Secured Overnight Financing Rate (“SOFR”) plus 1.75% or (b) the one-month Term SOFR plus 1.75%.    
Revolving Credit Facility [Member] | One-Month Term SOFR [Member]                  
Line of Credit Facility [Line Items]                  
Term loan from bank interest rate description             the one-month Term SOFR plus 1.75%.    
Revolving Credit Facility [Member] | Daily Floating Rate [Member] | Agreement [Member]                  
Line of Credit Facility [Line Items]                  
Term loan from bank interest rate description             the daily floating rate of one-month London Inter-Bank Offered Rate (“LIBOR”) plus 1.75%    
SOFR plus rate             1.75%    
Revolving Credit Facility [Member] | Fixed Rate [Member] | Agreement [Member]                  
Line of Credit Facility [Line Items]                  
Term loan from bank interest rate description             the fixed rate of LIBOR plus 1.75%    
SOFR plus rate             1.75%    
Standby Letters of Credit [Member] | Agreement [Member]                  
Line of Credit Facility [Line Items]                  
Credit facility borrowing capacity     8,000,000.0       $ 8,000,000.0    
Line of Credit [Member] | Agreement [Member]                  
Line of Credit Facility [Line Items]                  
Unused commitment fee on unused amount             1.75%    
Chubb Letter of Credit [Member] | Agreement [Member]                  
Line of Credit Facility [Line Items]                  
Credit facility borrowing capacity     63,700,000       $ 63,700,000    
Collateral transferred   $ 38,700,000              
Term Loan [Member] | Agreement [Member]                  
Line of Credit Facility [Line Items]                  
Term loan from bank interest rate description             one-month LIBOR plus 2.0%    
Term loan with principal bank     $ 3,500,000       $ 3,500,000 $ 3,700,000  
Payment of monthly principal of term loan             $ 18,375    
Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | Agreement [Member]                  
Line of Credit Facility [Line Items]                  
SOFR plus rate             2.00%    
Scenario Forecast [Member] | Revolving Credit Facility [Member]                  
Line of Credit Facility [Line Items]                  
Credit facility borrowing capacity $ 33,000,000.0                
Unused commitment fee on unused amount during period 0.30%                
Scenario Forecast [Member] | Revolving Credit Facility [Member] | SOFR [Member]                  
Line of Credit Facility [Line Items]                  
SOFR plus rate 1.75%                
Scenario Forecast [Member] | Revolving Credit Facility [Member] | One-Month Term SOFR [Member]                  
Line of Credit Facility [Line Items]                  
SOFR plus rate 1.75%                
Scenario Forecast [Member] | Standby Letters of Credit [Member]                  
Line of Credit Facility [Line Items]                  
Credit facility borrowing capacity $ 8,000,000.0