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Long-Term Debt - Summary of Long-Term Debt (Detail) - USD ($)
Dec. 31, 2019
Nov. 14, 2019
Dec. 31, 2018
Line of Credit Facility [Line Items]      
Long-term debt, net of current portion $ 248,712,452   $ 242,776,520
Total debt 263,500,000   252,000,000
Long-term debt 248,712,452   242,776,520
Less unamortized debt issuance costs (7,287,548)   (9,223,480)
Less current installments (7,500,000)    
Term Loan [Member]      
Line of Credit Facility [Line Items]      
Total debt 252,600,000   $ 252,000,000
Revolving Credit Loan [Member]      
Line of Credit Facility [Line Items]      
Total debt 11,000,000    
Long-term debt 11,000,000    
Promissory Note [Member]      
Line of Credit Facility [Line Items]      
Total debt $ 13,500,000 $ 13,500,000