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Financing Arrangement - Financing Arrangement Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Schedule of Joint Ventures [Line Items] |  |  |  |
Interest income (expense) | $ 1,074 | $ 2,175 | $ 8,481 | $ 6,567
Joint Venture | Financing Arrangement |  |  |  |
Schedule of Joint Ventures [Line Items] |  |  |  |
Distributions of the partner's share of net income | 2,111 | 0 | 6,577 | 0
Distributions in excess of the partner's share of net income | 1,754 | 0 | 4,803 | 0
Adjustment to fair value of financing arrangement obligation | (4,893) | 0 | (9,279) | 0
Interest income (expense) | $ (1,028) | $ 0 | $ 2,101 | $ 0

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- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
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- Details
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- Details
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