Debt and Interest Expense - Interest Expense Table (Details) - USD ($) $ in Thousands |
12 Months Ended | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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Debt Instrument [Line Items] | ||||||||||||
Interest expense | [1],[2] | $ 113,874 | $ 76,769 | $ 51,797 | ||||||||
Third Parties [Member] | ||||||||||||
Debt Instrument [Line Items] | ||||||||||||
Interest expense | 99,474 | 76,766 | 51,797 | |||||||||
Affiliates [Member] | ||||||||||||
Debt Instrument [Line Items] | ||||||||||||
Interest expense | [3] | 14,400 | 3 | 0 | ||||||||
Anadarko [Member] | Working Capital Facility [Member] | ||||||||||||
Debt Instrument [Line Items] | ||||||||||||
Interest expense, related party | 2 | 3 | 0 | |||||||||
Western Gas Partners, LP [Member] | Third Parties [Member] | ||||||||||||
Debt Instrument [Line Items] | ||||||||||||
Long-term debt | 102,058 | 81,495 | 59,293 | |||||||||
Amortization of debt issuance costs and commitment fees | 5,734 | 5,103 | 4,449 | |||||||||
Capitalized interest | (8,318) | (9,832) | (11,945) | |||||||||
Western Gas Partners, LP [Member] | Affiliates [Member] | Deferred Purchase Price Obligation - Anadarko [Member] | ||||||||||||
Debt Instrument [Line Items] | ||||||||||||
Interest expense, related party | [4] | $ 14,398 | $ 0 | $ 0 | ||||||||
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