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Other Long-Term Assets and Other Income (Schedule of Other Long-Term Assets) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Long-term assets: |  |  |
Advance coal royalties |  | $ 6,563 | $ 5,496
Deferred financing costs, net |  | 5,112 | 6,507
Marketable equity securities available for sale, at fair value (restricted) | [1] | 1,763 | 2,249
Other |  | 3,090 | 4,597
Other noncurrent assets total |  | $ 16,528 | $ 18,849
[1] | Held by Sunrise Indemnity, Inc., our wholly owned captive insurance company.

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