星空传媒 Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Depreciation Methods and Useful Lives) (Details)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Depreciation Methods and Useful Lives) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]	听	听	听
LOSS ATTRIBUTABLE TO NONCONTROLLING INTEREST	$ 0	$ 0	$ 7,700,000
Building [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	45 years	听	听
Equipment [Member] \| Minimum [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	3 years	听	听
Equipment [Member] \| Maximum [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	20 years	听	听
Other Machinery and Equipment [Member] \| Minimum [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	10 years	听	听
Other Machinery and Equipment [Member] \| Maximum [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	45 years	听	听
Electric Power Facilities [Member] \| Minimum [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	10 years	听	听
Electric Power Facilities [Member] \| Maximum [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	45 years	听	听
Land Improvements [Member] \| Minimum [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	20 years	听	听
Land Improvements [Member] \| Maximum [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	45 years	听	听
Computer Equipment [Member] \| Minimum [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	3 years	听	听
Computer Equipment [Member] \| Maximum [Member]	听	听	听
Property, Plant and Equipment [Line Items]	听	听	听
Property, Plant and Equipment, Useful Life	15 years	听	听