Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Leases - Property and Equipment Subject to Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Property and equipment
Cost	$ 6,444,645		$ 6,355,140
Accumulated depreciation	3,081,241		2,940,232
Depreciation expense	143,821	$ 135,014
Satellites
Property and equipment
Cost	2,816,629		$ 2,816,628
Depreciation expense	73,492	$ 68,161
Property Subject To Operating Lease
Property and equipment
Cost	2,863,132
Accumulated depreciation	1,783,169
Depreciation expense	78,971
Property Subject To Operating Lease \| Customer premises equipment
Property and equipment
Cost	1,210,850
Accumulated depreciation	905,731
Depreciation expense	45,812
Property Subject To Operating Lease \| Satellites
Property and equipment
Cost	1,552,245
Accumulated depreciation	847,160
Depreciation expense	32,601
Property Subject To Operating Lease \| Real estate
Property and equipment
Cost	100,037
Accumulated depreciation	30,278
Depreciation expense	$ 558