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Other Assets and Accrued Liabilities - Long-Term Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Other Liabilities Disclosure [Abstract]    
Broadband contract acquisition costs $ 5,716 $ 5,837
Interest rate swaps 2,438 0
Prepaid expenses and other 7,403 7,422
Deferred charges and other assets $ 15,557 $ 13,259