Credit Facilities - Schedule of Limit of Borrowing at Any Point in Time and Total Maximum Advances (Detail) - USD ($) |
Jan. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Qualifying Government and Institutional Loans (G&I Facility) [Member] | |||
| Line of Credit Facility [Line Items] | |||
| Limit of Borrowing at any point in time | $ 250,000,000 | $ 150,000,000 | $ 125,000,000 |
| Maximum Total Advances | 600,000,000 | 450,000,000 | 375,000,000 |
| Qualifying Project Finance Loans (PF Facility) [Member] | |||
| Line of Credit Facility [Line Items] | |||
| Limit of Borrowing at any point in time | 250,000,000 | 350,000,000 | 325,000,000 |
| Maximum Total Advances | $ 900,000,000 | $ 1,050,000,000 | $ 975,000,000 |
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- Definition Line Of Credit Facility Maximum Borrowing Capacity Allowed At Any Point No definition available.
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- Definition 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. No definition available.
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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