Property, Plant and Equipment Table (details) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended | 9 Months Ended | 9 Months Ended | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2014
|
Dec. 31, 2013
|
Sep. 30, 2014
Western Gas Partners [Member]
Land [Member]
|
Dec. 31, 2013
Western Gas Partners [Member]
Land [Member]
|
Sep. 30, 2014
Western Gas Partners [Member]
Gathering Systems [Member]
|
Dec. 31, 2013
Western Gas Partners [Member]
Gathering Systems [Member]
|
Sep. 30, 2014
Western Gas Partners [Member]
Gathering Systems [Member]
Minimum [Member]
|
Sep. 30, 2014
Western Gas Partners [Member]
Gathering Systems [Member]
Maximum [Member]
|
Sep. 30, 2014
Western Gas Partners [Member]
Pipelines And Equipment [Member]
|
Dec. 31, 2013
Western Gas Partners [Member]
Pipelines And Equipment [Member]
|
Sep. 30, 2014
Western Gas Partners [Member]
Pipelines And Equipment [Member]
Minimum [Member]
|
Sep. 30, 2014
Western Gas Partners [Member]
Pipelines And Equipment [Member]
Maximum [Member]
|
Sep. 30, 2014
Western Gas Partners [Member]
Assets Under Construction [Member]
|
Dec. 31, 2013
Western Gas Partners [Member]
Assets Under Construction [Member]
|
Sep. 30, 2014
Western Gas Partners [Member]
Other [Member]
|
Dec. 31, 2013
Western Gas Partners [Member]
Other [Member]
|
Sep. 30, 2014
Western Gas Partners [Member]
Other [Member]
Minimum [Member]
|
Sep. 30, 2014
Western Gas Partners [Member]
Other [Member]
Maximum [Member]
|
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Property, Plant and Equipment [Line Items] | |||||||||||||||||||||
Property, plant and equipment | $ 4,754,279 | $ 4,239,100 | [1] | $ 2,584 | $ 2,584 | $ 4,244,640 | $ 3,673,008 | $ 145,851 | $ 146,008 | $ 345,799 | $ 405,633 | $ 15,405 | $ 11,867 | ||||||||
Accumulated depreciation | 986,692 | 855,845 | [1] | ||||||||||||||||||
Net property, plant and equipment | $ 3,767,587 | $ 3,383,255 | [1] | ||||||||||||||||||
Estimated useful life | 3 years | 47 years | 15 years | 45 years | 3 years | 40 years | |||||||||||||||
|