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REVENUE RECOGNITION AND RECEIVABLES - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Contract Assets and Liabilities |  |
Contract Asset - current | $ 3,046 | $ 2,932
Change in contract asset - current | $ 114 |
% of change in contract asset - current | 3.90% |
Contract Asset - noncurrent | $ 3,671 | 3,775
Change in contract asset - noncurrent | $ (104) |
% of change in contract asset - noncurrent | (2.80%) |
Contract liability- current | $ (28,444) | (27,284)
Change in contract liabilities - current | $ (1,160) |
% of change in contract liabilities - current | 4.30% |
Contract liability- noncurrent | $ (67,840) | (72,543)
Change in contract liabilities - noncurrent | $ 4,703 |
% of change in contract liabilities - Noncurrent | (6.50%) |
Net contract liability | $ (89,567) | $ (93,120)
Change in net contract liability | $ 3,553 |
% of change in net contract liability | (3.80%) |
Revenue recognized related to contract liability | $ 19,200 |
Amortization of contract assets | $ 1,500 |
Retail revenue period for billing postpaid customers in advance | 1 month |

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