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Credit Facilities (Detail) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Aug. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Aug. 09, 2019
Jun. 14, 2018
Mar. 31, 2014
Line of Credit Facility [Line Items]              
Debt issuance cost           $ 1,300,000  
GECC              
Line of Credit Facility [Line Items]              
Line of credit facility maximum borrowing capacity             $ 75,000,000.0
Amount of credit facility outstanding   $ 0   $ 0      
Stand by letters of credit outstanding amount   9,800,000   9,200,000      
Line of credit facility, total excess availability   $ 32,000,000.0   $ 41,800,000      
Rate of credit facility   0.00%   4.53%      
Amended ABL Credit Agreement              
Line of Credit Facility [Line Items]              
Line of credit facility maximum borrowing capacity $ 60,000,000.0            
Fixed charge coverage ratio 110.00%            
Minimum liquidity requirement $ 25,000,000.0            
Minimum availability $ 9,000,000.0            
Amortization expense debt issuance   $ 100,000 $ 400,000        
Amended ABL Credit Agreement | Minimum | London Interbank Offered Rate (LIBOR)              
Line of Credit Facility [Line Items]              
Applicable margin spread over base rate   1.50%          
Amended ABL Credit Agreement | Minimum | Base Rate [Member]              
Line of Credit Facility [Line Items]              
Applicable margin spread over base rate   0.50%          
Amended ABL Credit Agreement | Maximum | London Interbank Offered Rate (LIBOR)              
Line of Credit Facility [Line Items]              
Applicable margin spread over base rate   2.00%          
Amended ABL Credit Agreement | Maximum | Base Rate [Member]              
Line of Credit Facility [Line Items]              
Applicable margin spread over base rate   1.00%          
Term Loan Agreement | Great American Capital Partners Finance Co LLC              
Line of Credit Facility [Line Items]              
Debt, net amount   $ 20,000,000.0       $ 20,000,000.0  
Percentage of principal amount redeemed   10.00%          
Debt issuance cost         $ 1,100,000    
Term Loan Agreement | Year One | Great American Capital Partners Finance Co LLC              
Line of Credit Facility [Line Items]              
Debt prepayment percentage   2.00%          
Term Loan Agreement | Year Two | Great American Capital Partners Finance Co LLC              
Line of Credit Facility [Line Items]              
Debt prepayment percentage   2.00%          
Term Loan Agreement | Year Three | Great American Capital Partners Finance Co LLC              
Line of Credit Facility [Line Items]              
Debt prepayment percentage   1.00%          
4.25% Convertible Senior Notes (due 2018) | GECC | Letter of Credit              
Line of Credit Facility [Line Items]              
Line of credit facility maximum borrowing capacity             $ 35,000,000.0