Quarterly report pursuant to Section 13 or 15(d)

Information About the Company's Operating Segments - (Performance Measures) (Details)

v3.20.1
Information About the Company's Operating Segments - (Performance Measures) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Segment Reporting Information [Line Items]    
Revenue from contracts with customers $ 235,799 $ 217,736
Total revenue 235,799 217,736
GCI Holdings    
Segment Reporting Information [Line Items]    
Total revenue 231,561 213,211
GCI Holdings | Lease, grant, and revenue from subsidies    
Segment Reporting Information [Line Items]    
Total revenue 21,281 22,541
GCI Holdings | Consumer Revenue | Wireless    
Segment Reporting Information [Line Items]    
Revenue from contracts with customers 28,358 27,492
GCI Holdings | Consumer Revenue | Data    
Segment Reporting Information [Line Items]    
Revenue from contracts with customers 44,294 41,178
GCI Holdings | Consumer Revenue | Video    
Segment Reporting Information [Line Items]    
Revenue from contracts with customers 20,758 21,016
GCI Holdings | Consumer Revenue | Voice    
Segment Reporting Information [Line Items]    
Revenue from contracts with customers 3,800 4,461
GCI Holdings | Business Revenue | Wireless    
Segment Reporting Information [Line Items]    
Revenue from contracts with customers 19,238 18,384
GCI Holdings | Business Revenue | Data    
Segment Reporting Information [Line Items]    
Revenue from contracts with customers 83,394 68,110
GCI Holdings | Business Revenue | Video    
Segment Reporting Information [Line Items]    
Revenue from contracts with customers 4,022 3,825
GCI Holdings | Business Revenue | Voice    
Segment Reporting Information [Line Items]    
Revenue from contracts with customers 6,416 6,204
Corporate and other    
Segment Reporting Information [Line Items]    
Total revenue $ 4,238 $ 4,525