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REVENUE AND RECEIVABLES - Accounts Receivable (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Accounts Receivable |  |
Gross accounts receivable | $ 207,900 | $ 154,500
Customer receivable, current | 7,249 | 5,803
Customer receivable - long term | 45,676 | 46,706
Allowance for credit loss | 16,400 | 15,200
Receivable for government funded programs | 49,300 | 5,700
FirstNet agreement |  |
Accounts Receivable |  |
Customer receivable | 52,900 | 52,500
Customer receivable, current | 7,200 | 5,800
Customer receivable - long term | $ 45,700 | $ 46,700

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