Business and Summary of Significant Accounting Principles (Tables)

3 Months Ended

Mar. 31, 2013

Business and Summary of Significant Accounting Policies [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

				Three Months Ended March 31,
				2013		2012
				Class A	Class B	Class A	Class B
Basic net income per share:
Numerator:
	Allocation of undistributed earnings			$ 2,996	248	$ 1,321	108
Denominator:
	Weighted average common shares outstanding			38,264	3,167	38,741	3,171
			Basic net income attributable to GCI common stockholders per common share	$ 0.08	0.08	$ 0.03	0.03
Diluted net income per share:
Numerator:
	Allocation of undistributed earnings for basic computation			$ 2,996	248	$ 1,321	108
	Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares			248	-	108	-
	Reallocation of undistributed earnings as a result of conversion of dilutive securities			-	(4)	-	(9)
	Effect of share based compensation that may be settled in cash or shares			(34)	-	(100)	-
		Net income adjusted for allocation of undistributed earnings and effect of share based compensation that may be settled in cash or shares		$ 3,210	244	$ 1,329	99
Denominator:
	Number of shares used in basic computation			38,264	3,167	38,741	3,171
	Conversion of Class B to Class A common shares outstanding			3,167	-	3,171	-
	Unexercised stock options			173	-	272	-
	Effect of share based compensation that may be settled in cash or shares			91	-	158	-
Number of shares used in per share computation				41,695	3,167	42,342	3,171
			Diluted net income attributable to GCI common stockholders per common share	$ 0.08	0.08	$ 0.03	0.03

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	2013		2012
Shares associated with anti-dilutive unexercised stock options		88	36

Schedule Of Contingent Awards [Table Text Block]

	2013		2012
Shares associated with contingent awards		58	8

Schedule of Stock by Class [Table Text Block]

		Class A	Class B
	Balances at December 31, 2011	39,296	3,171
Shares issued upon stock option exercises		187	-
Share awards issued		316	-
Shares retired		(862)	-
Shares acquired to settle minimum statutory tax withholding requirements		(289)	-
	Balances at March 31, 2012	38,648	3,171
	Balances at December 31, 2012	38,534	3,169
Class B shares converted to Class A		2	(2)
Shares issued upon stock option exercises		50	-
Share awards issued		621	-
Shares retired		(795)	-
Shares acquired to settle minimum statutory tax withholding requirements		(14)	-
Other		(2)	-
	Balances at March 31, 2013	38,396	3,167

Excise And Sales Taxes [Table Text Block]

	Three Months Ended March 31,
		2013	2012
Surcharges reported gross	$	1,228	1,482