Other Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other liabilities
Employee compensation and benefits	$ 27,266	$ 25,916
Deferred FCC repack income	42,895	46,205
Programming liability	254,396	263,093
Liability for pension benefits	76,562	78,279
Liabilities for uncertain tax positions	14,842	14,144
Finance leases	29,828	28,063
Other	25,770	28,359
Other liabilities (less current portion)	$ 471,559	$ 484,059