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Long-Term Debt (Tables)
 12 Months Ended
Dec. 31, 2019
Debt Disclosure [Abstract]  
Summary of Long-Term Debt
Long-term debt is comprised of the following:
 
   
December 31,
2018
   
December 31,
2019
 
Credit facility - term loan
  $252,000,000   $239,000,000 
Credit facility - revolving credit facility
   —      11,000,000 
Promissory note
   —      13,500,000 
   
 
 
   
 
 
 
    252,000,000    263,500,000 
Less unamortized debt issuance costs
   (9,223,480)    (7,287,548) 
   
 
 
   
 
 
 
    242,776,520    256,212,452 
Less current installments
   —      (7,500,000) 
   
 
 
   
 
 
 
   $242,776,520   $248,712,452 
   
 
 
   
 
 
 
Scheduled Repayments of Credit Facility
The aggregate scheduled principal repayments of the credit facility and
promissory note
for the next four years are as follows:
 
2020
  $7,500,000 
2021
   6,000,000 
2022
   11,000,000 
2023
   239,000,000 
   
 
 
 
Total
  $263,500,000