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v3.23.1

LONG-TERM DEBT (Tables) | 3 Months Ended
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Mar. 31, 2023
LONG-TERM DEBT |
Schedule of future principal repayments annual maturities of the Company's debt instruments | The table below summarizes the annual maturities of the Company’s debt instruments (amounts in thousands).
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Customer
​ | US | ​ | International | ​ | Total | Receivable
​ | Telecom | ​ | Telecom | ​ | Debt | Credit Facility
2023 (excluding the three months ended March 31, 2023) | $ | 4,998 | ​ | $ | 3,553 | ​ | $ | 8,551 | $ | 4,904
2024 | ​ | 138,536 | ​ | ​ | — | ​ | ​ | 138,536 | ​ | 6,787
2025 | ​ | 14,969 | ​ | ​ | — | ​ | ​ | 14,969 | ​ | 7,083
2026 | ​ | 230,469 | ​ | ​ | 60,000 | ​ | ​ | 290,469 | ​ | 7,393
2027 | ​ | 3,723 | ​ | ​ | — | ​ | ​ | 3,723 | ​ | 7,718
Thereafter | ​ | 14,028 | ​ | ​ | — | ​ | ​ | 14,028 | ​ | 14,794
Total | ​ | 406,723 | ​ | ​ | 63,553 | ​ | ​ | 470,276 | ​ | 48,679
Debt Discounts | ​ | (5,277) | ​ | ​ | (318) | ​ | ​ | (5,595) | ​ | (572)
Book Value | ​ | 401,446 | ​ | ​ | 63,235 | ​ | ​ | 464,681 | ​ | 48,107

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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
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