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Other Long-Term Assets | 12 Months Ended
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Dec. 31, 2018
Other Long-Term Assets [Abstract] |
Other Long-Term Assets | (7)Other Long-Term Assets (in thousands) ﻿ ﻿
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ |  | 2018 |  |  | 2017
﻿ |  |  |  |  |
﻿Advanced coal royalties | $ | 10,186 |  | $ | 9,720
﻿Marketable equity securities available for sale, |  |  |  |  |
﻿at fair value (restricted)* |  | 1,909 |  |  | 2,148
﻿Other |  | 2,122 |  |  | 2,792
﻿Total other long-term assets | $ | 14,217 |  | $ | 14,660
﻿ |  |  |  |  |
﻿______________________ |  |  |  |  |
﻿*Held by Sunrise Indemnity, Inc., our wholly owned captive insurance company. |  |  |  |  |
﻿

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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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