Stock Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2019

Stock Compensation Plans [Abstract]

Equity Award Grants

Charter granted the following equity awards for the periods presented.

	Three Months Ended June 30,		Six Months Ended June 30,
	2019	2018	2019	2018
Stock options	31,500	36,700	1,782,400	1,466,500
Restricted stock	8,100	9,700	8,100	9,700
Restricted stock units	13,200	21,700	686,900	505,400