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v3.3.1.900

Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Revenues and other income: |  |  |
Total revenues and other income | $ 488,849 | $ 399,752 | $ 358,117
Operating expenses: |  |  |
Operating and maintenance expenses | 155,959 | 83,433 | 33,211
Operating and maintenance expenses—affiliates, net | 16,031 | 10,770 | 8,821
Depreciation, depletion and amortization | 100,828 | 79,876 | 64,377
General and administrative | 7,036 | 7,287 | 11,452
General and administrative—affiliates | 5,312 | 3,258 | 3,286
Asset impairment | 681,594 | 26,209 | 734
Total operating expenses | 966,760 | 210,833 | 121,881
Income (loss) from operations | (477,911) | 188,919 | 236,236
Other income (expense) |  |  |
Interest expense | (93,827) | (80,185) | (64,396)
Interest income | 18 | 96 | 238
Other expense, net | (93,809) | (80,089) | (64,158)
Net income (loss) | (571,720) | 108,830 | 172,078
Net income (loss) attributable to partners: |  |  |
Limited partners | (559,492) | 106,653 | 168,636
General partner | $ (12,228) | $ 2,177 | $ 3,442
Basic and diluted net income (loss) per common unit (in dollars per share) | $ (45.75) | $ 9.42 | $ 15.39
Weighted average number of common units outstanding (in shares) | 12,230 | 11,326 | 10,958
Add: comprehensive income (loss) from unconsolidated investment and other | $ (1,693) | $ (81) | $ 65
Comprehensive income (loss) | (573,413) | 108,749 | 172,143
Coal, Hard Mineral Royalty and Other |  |  |
Revenues and other income: |  |  |
Coal, hard mineral royalty and other—affiliates | 89,715 | 84,559 | 93,026
Total revenues and other income | 156,638 | 172,160 | 213,825
VantaCore |  |  |
Revenues and other income: |  |  |
Total revenues and other income | 139,013 | 42,051 | 0
Oil and Gas |  |  |
Revenues and other income: |  |  |
Total revenues and other income | 53,565 | 59,566 | 17,080
Soda Ash |  |  |
Revenues and other income: |  |  |
Total revenues and other income | $ 49,918 | $ 41,416 | $ 34,186

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