Common Stock (Tables)

6 Months Ended

Jun. 30, 2018

Common Stock [Abstract]

Class of Treasury Stock

The following represents the Company's purchase of Charter Class A common stock and the effect on the consolidated statements of cash flows during the three and six months ended June 30, 2018 and 2017.

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
	Shares	$		Shares	$		Shares	$		Shares	$
Share buybacks	5,710,247	$	1,657	9,953,269	$	3,299	7,303,293	$	2,213	12,418,839	$	4,098
Income tax withholding	23,645	7		87,828	29		196,691	68		391,865	125
Exercise cost	1,752			1,391			6,415			40,545
	5,735,644	$	1,664	10,042,488	$	3,328	7,506,399	$	2,281	12,851,249	$	4,223