Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Other liabilities
Employee compensation and benefits	$ 27,873	$ 25,916
Deferred FCC repack income	44,960	46,205
Programming liability	275,121	263,093
Liability for pension benefits	77,745	78,279
Liabilities for uncertain tax positions	14,286	14,144
Other liabilities	28,997	28,063
Other	26,626	28,359
Other liabilities (less current portion)	$ 495,608	$ 484,059