Income Taxes - Other (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Taxes
Net reduction in deferred tax liabilities		$ 1,400
Uncertain tax position reserves	$ 100	0
Change in FTC valuation allowance	543	3,785
Foreign valuation allowance	4,615	10,007
Foreign income valuation allowance	27,186	22,570
Foreign tax credit valuation allowance	19,040	18,497
Colombian content producers, Radio television and NTC Nacional
Income Taxes
Foreign net operating losses carryforwards	900	800
Foreign tax authority | Puerto Rico, Latin America, and Mexico
Income Taxes
Foreign tax credit carryforwards	$ 19,000	$ 18,500