Long-term Debt - Extinguishment of Debt, Interest, and Subsequent Events (Details)
$ in Thousands |
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1 Months Ended |
2 Months Ended |
12 Months Ended |
Jun. 16, 2016 |
May 31, 2016 |
May 06, 2016 |
Apr. 21, 2016
power_plant
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Jan. 31, 2016
USD ($)
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Dec. 31, 2015
USD ($)
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Jan. 31, 2016
USD ($)
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Dec. 31, 2015
USD ($)
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Dec. 31, 2014
USD ($)
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Dec. 31, 2013
USD ($)
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| Debt Instrument [Line Items] |
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| Gain (loss) on extinguishment of debt |
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$ (2,298)
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$ 0
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$ 0
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| Repayments of senior debt |
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6,800
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0
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0
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| Interest income |
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2,600
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1,400
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$ 0
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| Global Operating LLC | Applicable foreign currency hedging counterparty | Subsequent event |
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| Debt Instrument [Line Items] |
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| Debt instrument, debt covenant, grace period for annual report |
120 days
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| Debt instrument, debt covenant, cure period |
30 days
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| India PSA | Subsequent event |
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| Debt Instrument [Line Items] |
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| Acquisition of projects, number of projects with accelerated debt maturities | power_plant |
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2
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| South Africa Projects | Subsequent event |
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| Debt Instrument [Line Items] |
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| Acquisition of projects, number of projects with accelerated debt maturities | power_plant |
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3
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| Project level |
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| Debt Instrument [Line Items] |
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| Amount of debt repurchased |
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475,900
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| Gain (loss) on extinguishment of debt |
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(3,700)
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| Construction financing |
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| Debt Instrument [Line Items] |
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| Interest capitalized |
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1,800
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$ 1,600
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| Senior Notes | Subsequent event |
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| Debt Instrument [Line Items] |
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| Amount of debt repurchased |
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$ 49,600
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| Senior Notes | 9.75% senior notes due 2022 |
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| Debt Instrument [Line Items] |
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| Amount of debt repurchased |
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$ 8,600
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| Gain (loss) on extinguishment of debt |
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1,400
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| Debt repurchase program, authorized amount |
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40,000
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40,000
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| Repayments of senior debt |
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6,800
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| Prepayment fees and interest |
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400
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| Senior Notes | 9.75% senior notes due 2022 | Subsequent event |
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| Debt Instrument [Line Items] |
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| Amount of debt repurchased |
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$ 41,000
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49,600
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| Repayments of senior debt |
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33,200
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40,000
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| Prepayment fees and interest |
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$ 1,900
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$ 2,300
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| Senior Notes | 9.75% senior notes due 2022 | Accounts payable |
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| Debt Instrument [Line Items] |
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| Repurchase program, principal and interest due |
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400
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| Senior Notes | 9.75% senior notes due 2022 | Global Operating LLC | Subsequent event |
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| Debt Instrument [Line Items] |
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| Debt instrument, debt covenant, grace period for annual report |
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60 days
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| Debt instrument, debt covenant, cure period |
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90 days
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| Revolving credit facility | Global Operating LLC revolver |
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| Debt Instrument [Line Items] |
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| Line of credit outstanding |
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$ 135,000
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$ 135,000
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| Revolving credit facility | Global Operating LLC revolver | Global Operating LLC | Subsequent event |
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| Debt Instrument [Line Items] |
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| Debt instrument, debt covenant, grace period for annual report |
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75 days
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