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DEBT (Tables) | 6 Months Ended
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Jun. 30, 2020
DEBT |
Schedule of components of Long-term debt | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31, | ​
​ |  | 2020 |  | 2019 |
Principal amount |  | $ | 494,474 |  | $ | 495,824 | ​
Less: Unamortized debt financing costs | ​ |  | (11,648) | ​ |  | (13,094) | ​
Less: Current portion | ​ |  | (79,522) | ​ |  | (69,747) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Long-term debt, net |  | $ | 403,304 |  | $ | 412,983 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2020 | ​ | December 31, 2019 | ​
​ | ​ | ​ | ​ | ​ | Unamortized | ​ | ​ | ​ | ​ | Unamortized | ​
​ | ​ | ​ | ​ | ​ | Debt Issuance | ​ | ​ | ​ | ​ | Debt Issuance | ​
​ |  | Principal |  | Cost |  | Principal |  | Cost |
$495 Million Credit Facility | ​ | $ | 373,654 | ​ | $ | 9,941 | ​ | $ | 395,724 | ​ | $ | 11,642 | ​
$133 Million Credit Facility | ​ | ​ | 120,820 | ​ | ​ | 1,707 | ​ | ​ | 100,100 | ​ | ​ | 1,452 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total debt | ​ | $ | 494,474 |  | $ | 11,648 | ​ | $ | 495,824 |  | $ | 13,094 | ​
​
Schedule of effective interest rate and the range of interest rates on the debt | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Three Months Ended | ​ | For the Six Months Ended | ​
​ | ​ | June 30, | ​ | June 30, | ​
​ |  | 2020 | ​ | 2019 | ​ | 2020 | ​ |  | 2019 | ​
Effective Interest Rate | ​ | 3.62 | % | 5.43 | % | 4.22 | % |  | 5.50 | %
Range of Interest Rates (excluding unused commitment fees) | ​ | 2.67 % to 4.57 | % | 4.90 % to 5.50 | % | 2.67 % to 5.05 | % |  | 4.90 % to 5.76 | %

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- Definition Tabular disclosure of effective interest rate associated with the interest expense for the entity's debt facilities, including the cost associated with unused commitment fees. Additionally, it includes the range of interest rates on the debt, excluding the impact of unused commitment fees. + References No definition available. + Details
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- Definition Tabular disclosure of long-term debt less short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) as of the balance sheet date. + References No definition available. + Details
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- References No definition available. + Details
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