XML 136 R102.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 17 - Guarantor Subsidiaries - Unaudited Interim Condensed Consolidating Statements of Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Revenues $ 567,137 $ 577,775 $ 645,957
Cost of sales (353,994) (304,727) (338,325)
Depreciation, depletion, and amortization [1] (134,044) (120,599) (123,631)
General and administrative (36,542) (35,611) (45,040)
Exploration and pre-development   (28,958)  
Research and development (5,441) (3,276) (243)
Gain (Loss) on Sale of Derivatives 40,253 (21,250) 4,423
Acquisition costs (10,045) (25) (2,695)
Equity in earnings of subsidiaries
Other (expense) income (60,006) (70,886) (33,173)
Income (loss) before income taxes (33,264) (7,557) 89,659
Income tax (provision) benefit 6,701 (20,963) (28,090)
Net (loss) income (26,563) (28,520) 61,569
Series B Preferred Stock dividends declared (552) (552) (552)
(Loss) income applicable to common stockholders (27,115) (29,072) 61,017
Changes in comprehensive (loss) income (17,807) 11,229 (1,971)
Comprehensive (loss) income (44,370) (17,291) 59,598
Revenues 567,137 577,775 645,957
Loss on derivative contracts 40,253 (21,250) 4,423
Closed operations   (25) (2,695)
Other (expense) income (60,006) (70,886) (33,173)
Closed operations   (25) (2,695)
Other (expense) income (60,006) (70,886) (33,173)
Net income (loss) applicable to common shares (27,115) (29,072) 61,017
Mineral, Exploration [Member]      
Exploration and pre-development (40,582)   (17,857)
Reportable Legal Entities [Member] | Parent Company [Member]      
Revenues 8,084 (5,983) (14,237)
Cost of sales (446) 1,098
Depreciation, depletion, and amortization
General and administrative (18,760) (17,693) (23,262)
Exploration and pre-development   (459)  
Research and development  
Gain (Loss) on Sale of Derivatives 40,253 (21,250) 4,423
Acquisition costs (9,445)    
Equity in earnings of subsidiaries (47,229) (187,574) 86,900
Other (expense) income 515 203,365 10,656
Income (loss) before income taxes (27,158) (28,520) 61,569
Income tax (provision) benefit 595
Net (loss) income (26,563) (28,520) 61,569
Series B Preferred Stock dividends declared (552) (552) (552)
(Loss) income applicable to common stockholders (27,115) (29,072) 61,017
Changes in comprehensive (loss) income (17,807) 11,229 (1,971)
Comprehensive (loss) income (44,370) (17,291) 59,598
Revenues 8,084 (5,983) (14,237)
Loss on derivative contracts 40,253 (21,250) 4,423
Closed operations   (24) (2,607)
Other (expense) income 515 203,365 10,656
Closed operations   (24) (2,607)
Other (expense) income 515 203,365 10,656
Net income (loss) applicable to common shares (27,115) (29,072) 61,017
Reportable Legal Entities [Member] | Parent Company [Member] | Mineral, Exploration [Member]      
Exploration and pre-development (130)   (304)
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]      
Revenues 298,491 305,835 369,162
Cost of sales (188,567) (158,135) (202,475)
Depreciation, depletion, and amortization (58,140) (58,774) (65,032)
General and administrative (15,761) (15,690) (20,425)
Exploration and pre-development   (11,600)  
Research and development (2,893) (3,276)  
Gain (Loss) on Sale of Derivatives
Acquisition costs (344)    
Equity in earnings of subsidiaries
Other (expense) income (29,302) (29,735) 11,400
Income (loss) before income taxes (17,030) 28,625 85,956
Income tax (provision) benefit (37,444) (208,793) (25,334)
Net (loss) income (54,474) (180,168) 60,622
Series B Preferred Stock dividends declared
(Loss) income applicable to common stockholders (54,474) (180,168) 60,622
Changes in comprehensive (loss) income 296 8
Comprehensive (loss) income (54,474) (179,872) 60,630
Revenues 298,491 305,835 369,162
Loss on derivative contracts
Closed operations   (34)
Other (expense) income (29,302) (29,735) 11,400
Closed operations   (34)
Other (expense) income (29,302) (29,735) 11,400
Net income (loss) applicable to common shares (54,474) (180,168) 60,622
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member] | Mineral, Exploration [Member]      
Exploration and pre-development (20,514)   (6,640)
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]      
Revenues 260,562 277,923 291,032
Cost of sales (164,981) (147,690) (135,850)
Depreciation, depletion, and amortization (75,904) (61,825) (58,599)
General and administrative (2,021) (2,228) (1,353)
Exploration and pre-development   (16,899)  
Research and development (2,548)  
Gain (Loss) on Sale of Derivatives
Acquisition costs (256)    
Equity in earnings of subsidiaries
Other (expense) income 16,212 (42,002) (35,885)
Income (loss) before income taxes 11,126 7,278 48,378
Income tax (provision) benefit (3,881) (14,684) (22,100)
Net (loss) income 7,245 (7,406) 26,278
Series B Preferred Stock dividends declared
(Loss) income applicable to common stockholders 7,245 (7,406) 26,278
Changes in comprehensive (loss) income 38 2,486 2,657
Comprehensive (loss) income 7,283 (4,920) 28,935
Revenues 260,562 277,923 291,032
Loss on derivative contracts
Closed operations   (1) (54)
Other (expense) income 16,212 (42,002) (35,885)
Closed operations   (1) (54)
Other (expense) income 16,212 (42,002) (35,885)
Net income (loss) applicable to common shares 7,245 (7,406) 26,278
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member] | Mineral, Exploration [Member]      
Exploration and pre-development (19,938)   (10,913)
Consolidation, Eliminations [Member]      
Revenues
Cost of sales
Depreciation, depletion, and amortization
General and administrative
Exploration and pre-development    
Research and development  
Gain (Loss) on Sale of Derivatives
Acquisition costs    
Equity in earnings of subsidiaries 47,229 187,574 (86,900)
Other (expense) income (47,431) (202,514) (19,344)
Income (loss) before income taxes (202) (14,940) (106,244)
Income tax (provision) benefit 47,431 202,514 19,344
Net (loss) income 47,229 187,574 (86,900)
Series B Preferred Stock dividends declared
(Loss) income applicable to common stockholders 47,229 187,574 (86,900)
Changes in comprehensive (loss) income (38) (2,782) (2,665)
Comprehensive (loss) income 47,191 184,792 (89,565)
Revenues
Loss on derivative contracts
Closed operations  
Other (expense) income (47,431) (202,514) (19,344)
Closed operations  
Other (expense) income (47,431) (202,514) (19,344)
Net income (loss) applicable to common shares 47,229 $ 187,574 (86,900)
Consolidation, Eliminations [Member] | Mineral, Exploration [Member]      
Exploration and pre-development  
[1] Amounts reported as of and for the years ended December 31, 2017 and 2016 have been revised. See Note 2 for more information.