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Other Assets and Accrued Liabilities - Current Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Other Liabilities Disclosure [Abstract]    
Accrued programming costs $ 2,967 $ 3,306
Pension plan 0 3,341
Other current liabilities 8,796 11,259
Accrued liabilities and other $ 11,763 $ 17,906