Other Assets and Accrued Liabilities - Long-Term Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Other Liabilities Disclosure [Abstract]
Broadband contract acquisition costs	$ 5,771	$ 5,837
Prepaid expenses and other	7,250	7,422
Deferred charges and other assets	$ 13,021	$ 13,259