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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES - Additional Information (Detail)
9 Months Ended 12 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Segment
customer
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Jul. 31, 2017
Significant Accounting Policies [Line Items]            
Number of operating segments | Segment   3        
Deferred employer payroll taxes $ 14,200,000 $ 14,200,000        
Selling, general and administrative expenses   (260,920,000) $ (328,214,000) $ (360,692,000)    
Deferred payroll related expenses and taxes 4,600,000 4,600,000        
Deferred tax assets, gross 90,518,000 90,518,000 73,241,000      
Valuation allowance 53,417,000 53,417,000 14,912,000      
Deferred tax liabilities 34,686,000 34,686,000 60,136,000      
Unrecognized tax benefits 1,610,000 1,610,000 1,547,000 [1] 1,749,000 [1] $ 991,000  
Workers compensation our self-insured retention   1,000,000.0        
Automobile liability self-insured retention   1,000,000.0        
General liability claims we have an effective self-insured retention   1,000,000.0        
General liability claims, deductible per occurrence $ 2,000,000.0 2,000,000.0        
Medical claims, our self-insured retention   350,000        
Environmental liability claims, our self-insured retention   1,000,000.0        
Accrued capital expenditures   1,200,000 4,000,000.0 $ 1,400,000    
COVID-19            
Significant Accounting Policies [Line Items]            
Operating expenses   9,900,000        
Selling, general and administrative expenses   $ 2,400,000        
Board Of Directors [Member]            
Significant Accounting Policies [Line Items]            
Related party, increase (decrease) in cash retainer 0.20          
Convertible debt            
Significant Accounting Policies [Line Items]            
Interest rate on convertible debt 5.00% 5.00%       5.00%
Significant Other Observable Inputs (Level 2) | Convertible debt            
Significant Accounting Policies [Line Items]            
Fair value of convertible senior notes $ 91,900,000 $ 91,900,000 $ 241,700,000      
Sales Revenue | Customer Concentration Risk            
Significant Accounting Policies [Line Items]            
Number of customers that accounted for more than ten percent of revenue | customer   0        
Minimum | Executive Officer [Member]            
Significant Accounting Policies [Line Items]            
Temporary salary reduction, percentage 0.15          
Maximum | Executive Officer [Member]            
Significant Accounting Policies [Line Items]            
Temporary salary reduction, percentage 0.20          
[1] 2018 revised figures were not considered material. Penalties and interest were excluded in 2019, therefore 2018 amounts were revised for consistency.