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NOTES PAYABLE - Schedule of Applicable Margin Rates (Details) - Amendment Credit Agreement with Wells Fargo Bank, N.A.
1 Months Ended
Mar. 31, 2018
First Out Revolver Base Rate Margin | Less Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 4.25%
First Out Revolver Base Rate Margin | More Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 4.75%
First Out Revolver LIBOR Rate Margin | Less Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 5.25%
First Out Revolver LIBOR Rate Margin | More Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 5.75%
First Out TL Base Rate Margin | Less Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 1.75%
First Out TL Base Rate Margin | More Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 2.25%
First Out TL LIBOR Rate Margin | Less Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 2.75%
First Out TL LIBOR Rate Margin | More Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 3.25%
Last Out Base Rate Margin | Less Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 6.75%
Last Out Base Rate Margin | More Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 7.25%
Last Out LIBOR Rate Margin | Less Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 7.75%
Last Out LIBOR Rate Margin | More Than 3.25:1  
Debt Instrument [Line Items]  
Debt instrument ratios 8.25%