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REVENUE RECOGNITION AND RECEIVABLES (Tables) | 6 Months Ended
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Jun. 30, 2023
REVENUE RECOGNITION AND RECEIVABLES |
Summary of revenues | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three months ended | ​ | Six months ended
​ | ​ | June 30, 2023 | ​ | June 30, 2022 | ​ | June 30, 2023 | ​ | June 30, 2022
Services transferred over time | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
US Telecom | $ | 80,330 | ​ | $ | 72,201 | ​ | $ | 161,403 | ​ | $ | 144,491
International Telecom | ​ | 86,730 | ​ | ​ | 82,479 | ​ | ​ | 172,409 | ​ | ​ | 163,781
Total | ​ | 167,060 | ​ | ​ | 154,680 | ​ | ​ | 333,812 | ​ | ​ | 308,272
Goods and services transferred at a point in time | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
US Telecom | ​ | 2,597 | ​ | ​ | 8,702 | ​ | ​ | 5,144 | ​ | ​ | 12,300
International Telecom | ​ | 3,781 | ​ | ​ | 3,165 | ​ | ​ | 7,040 | ​ | ​ | 5,888
Total | ​ | 6,378 | ​ | ​ | 11,867 | ​ | ​ | 12,184 | ​ | ​ | 18,188
Total revenue accounted for under ASC 606 | $ | 173,438 | ​ | $ | 166,547 | ​ | $ | 345,996 | ​ | $ | 326,460
Summary of contracts asset and liabilities | Contract assets and liabilities consisted of the following (amounts in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | June 30, 2023 | ​ | December 31, 2022 | ​ | ​ | $ Change | ​ | % Change
Contract asset – current | $ | 3,046 | ​ | $ | 2,932 | ​ | $ | 114 | ​ | 3.9 | %
Contract asset – noncurrent | ​ | 3,671 | ​ | ​ | 3,775 | ​ | ​ | (104) | ​ | (2.8) | %
Contract liability – current | ​ | (28,444) | ​ | ​ | (27,284) | ​ | ​ | (1,160) | ​ | 4.3 | %
Contract liability – noncurrent | ​ | (67,840) | ​ | ​ | (72,543) | ​ | ​ | 4,703 | ​ | (6.5) | %
Net contract liability | $ | (89,567) | ​ | $ | (93,120) | ​ | $ | 3,553 | ​ | (3.8) | %
Schedule of activity in allowances for credit losses | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six months ended
​ |  | June 30, 2023 |  | June 30, 2022
​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at beginning of period |  | $ | 15,171 | ​ | $ | 13,885
Current period provision for expected losses |  | ​ | 2,463 | ​ | ​ | 3,153
Write-offs charged against the allowance |  | ​ | (1,878) | ​ | ​ | (1,497)
Recoveries collected | ​ | ​ | 188 | ​ | ​ | 208
Balance at end of period | ​ | $ | 15,944 | ​ | $ | 15,749

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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