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Segment Reporting - Selected Financial Data for Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
External revenue
Service revenue and other	$ 267,371	$ 245,239	$ 220,775
Operating expenses
Cost of services exclusive of depreciation and amortization	107,546	102,299	89,657
Selling, general and administrative	92,392	82,451	85,016
Restructuring expense	1,251	1,727	0
Impairment expense	5,241	5,986	0
Depreciation and amortization	68,899	55,206	48,703
Operating loss	(7,958)	(2,430)	(2,601)
Capital expenditures	189,609	160,101	120,450
Operating Segments
Operating expenses
Selling, general and administrative	92,392	82,451	85,016
Restructuring expense	1,251	1,727
Impairment expense	5,241	5,986
Depreciation and amortization	68,899	55,206	48,703
Total operating expenses	275,329	247,669	223,376
Operating loss	(7,958)	(2,430)	(2,601)
Capital expenditures	189,609	160,101	120,450
Operating Segments | Broadband
External revenue
Service revenue and other	249,015	228,080	204,347
Operating expenses
Selling, general and administrative	56,776	47,840	39,472
Restructuring expense	849	202
Impairment expense	5,241	5,986
Depreciation and amortization	63,175	47,937	41,076
Total operating expenses	228,308	199,248	165,441
Operating loss	20,707	28,832	38,906
Capital expenditures	188,729	156,131	117,246
Operating Segments | Tower
External revenue
Service revenue and other	18,919	17,704	17,055
Operating expenses
Selling, general and administrative	1,279	1,197	1,430
Restructuring expense	0	0
Impairment expense	0	0
Depreciation and amortization	2,416	2,053	1,906
Total operating expenses	9,407	8,688	8,232
Operating loss	9,512	9,016	8,823
Capital expenditures	620	977	2,001
Intersegment Eliminations
External revenue
Service revenue and other	0	9,225	18,015
Intersegment Eliminations | Broadband
External revenue
Service revenue and other	185	4,459	8,989
Intersegment Eliminations | Tower
External revenue
Service revenue and other	378	5,311	9,653
Intersegment Eliminations | Corporate & Eliminations
External revenue
Service revenue and other	(563)	(545)	(627)
Corporate, Non-Segment
Operating expenses
Selling, general and administrative	34,337	33,414	44,114
Restructuring expense	402	1,525
Impairment expense	0	0
Depreciation and amortization	3,308	5,216	5,721
Total operating expenses	37,614	39,733	49,703
Operating loss	(38,177)	(40,278)	(50,330)
Capital expenditures	260	2,993	1,203
Residential & SMB | Operating Segments
External revenue
Service revenue and other	193,974	177,530	154,956
Residential & SMB | Operating Segments | Broadband
External revenue
Service revenue and other	193,974	177,530	154,956
Residential & SMB | Operating Segments | Tower
External revenue
Service revenue and other	0	0	0
Commercial Fiber | Operating Segments
External revenue
Service revenue and other	38,821	30,842	24,431
Commercial Fiber | Operating Segments | Broadband
External revenue
Service revenue and other	38,821	30,842	24,431
Commercial Fiber | Operating Segments | Tower
External revenue
Service revenue and other	0	0	0
RLEC & Other | Operating Segments
External revenue
Service revenue and other	16,035	15,249	15,971
RLEC & Other | Operating Segments | Broadband
External revenue
Service revenue and other	16,035	15,249	15,971
RLEC & Other | Operating Segments | Tower
External revenue
Service revenue and other	0	0	0
Tower lease | Operating Segments
External revenue
Service revenue and other	18,541	12,393	7,402
Tower lease | Operating Segments | Broadband
External revenue
Service revenue and other	0	0	0
Tower lease | Operating Segments | Tower
External revenue
Service revenue and other	18,541	12,393	7,402
Service revenue and other | Operating Segments
External revenue
Service revenue and other	267,371	236,014	202,760
Service revenue and other | Operating Segments | Broadband
External revenue
Service revenue and other	248,830	223,621	195,358
Service revenue and other | Operating Segments | Tower
External revenue
Service revenue and other	18,541	12,393	7,402
Cost of services | Operating Segments
Operating expenses
Cost of services exclusive of depreciation and amortization	107,546	102,299	89,657
Cost of services | Operating Segments | Broadband
Operating expenses
Cost of services exclusive of depreciation and amortization	102,267	97,283	84,893
Cost of services | Operating Segments | Tower
Operating expenses
Cost of services exclusive of depreciation and amortization	5,712	5,438	4,896
Cost of services | Corporate, Non-Segment
Operating expenses
Cost of services exclusive of depreciation and amortization	$ (433)	$ (422)	$ (132)

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