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Long-Term Debt (Tables)
 6 Months Ended
Jun. 30, 2019
Debt Disclosure [Abstract]  
Summary of Long-Term Debt
Long-term debt is comprised of the following:
 
 
 
December 31,
 
 
June 30,
 
 
 
2018
 
 
2019
 
Term loan
 
$
252,000,000
 
 
$
245,500,000
 
Revolving credit facility
 
 
—
 
 
 
—
 
 
 
 
252,000,000
 
 
 
245,500,000
 
Less unamortized debt issuance costs
 
 
(9,223,480
)
 
 
(8,255,514
)
 
 
 
242,776,520
 
 
 
237,244,486
 
Less current installments
 
 
—
 
 
 
—
 
 
 
$
242,776,520
 
 
$
237,244,486
 
Scheduled Repayments of Credit Facility
The aggregate scheduled principal repayments of the credit facility for the remainder of 2019 and the next four years are as follows:
 
2019
 
$
—
 
2020
 
 
—
 
2021
 
 
—
 
2022
 
 
—
 
2023
 
 
245,500,000
 
Total
 
$
245,500,000