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Other Assets | 6 Months Ended
--- | ---
Jun. 30, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Other Assets | Other Assets Other assets consist of the following (in thousands):
| June 30, 2013 |  | December 31, 2012
Debt issuance costs, net of amortization | $ | 66,644 |  |  | $ | 83,643 |
Restricted deposits | 27,953 |  |  | 27,947 |
Notes receivable on asset retirement obligations | 11,655 |  |  | 11,433 |
Investments | 11,385 |  |  | 10,348 |
Production tax credit receivable | 5,033 |  |  | 6,313 |
Other | 2,088 |  |  | 4,568 |
Total other assets | $ | 124,758 |  |  | $ | 144,252 |

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- Definition The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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