Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property Plant and Equipment, Gross	$ 148,265	$ 146,054
Accumulated depreciation	(96,860)	(92,856)
Net property and equipment	51,405	53,198
Land and Land Improvements
Property, Plant and Equipment [Line Items]
Property Plant and Equipment, Gross	15,239	15,259
Building
Property, Plant and Equipment [Line Items]
Property Plant and Equipment, Gross	$ 40,460	40,823
Estimated Useful Life	31 years 6 months
Towers And Antennae
Property, Plant and Equipment [Line Items]
Property Plant and Equipment, Gross	$ 27,145	26,992
Towers And Antennae | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	7 years
Towers And Antennae | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	15 years
Equipment
Property, Plant and Equipment [Line Items]
Property Plant and Equipment, Gross	$ 54,747	52,459
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	15 years
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property Plant and Equipment, Gross	$ 7,907	7,741
Furniture and Fixtures | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	7 years
Furniture and Fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	20 years
Vehicles
Property, Plant and Equipment [Line Items]
Property Plant and Equipment, Gross	$ 2,767	$ 2,780
Estimated Useful Life	5 years