Note 16 - Guarantor Subsidiaries (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Condensed Balance Sheet [Table Text Block]

	As of December 31, 2019
	Parent			Guarantors			Non- Guarantors			Eliminations			Consolidated
	(in thousands)
Assets
Cash and cash equivalents	$	33,750		$	15,357		$	13,345		$	—		$	62,452
Other current assets		9,725			89,722			17,299			(74	)		116,672
Properties, plants, and equipment - net		1,913			2,410,458			11,327			—			2,423,698
Intercompany receivable (payable)		(28,381	)		(579,830	)		216,632			391,579			—
Investments in subsidiaries		1,636,802			—			—			(1,636,802	)		—
Other non-current assets		289,422			24,325			(121,981	)		(157,280	)		34,486
Total assets	$	1,943,231		$	1,960,032		$	136,622		$	(1,402,577	)	$	2,637,308
Liabilities and Stockholders' Equity
Current liabilities	$	(309,293	)	$	155,441		$	8,334		$	262,492		$	116,974
Long-term debt		504,729			17,271			761			—			522,761
Non-current portion of accrued reclamation		—			96,389			7,404			—			103,793
Non-current deferred tax liability		—			166,549			—			(28,267	)		138,282
Other non-current liabilities		55,372			6,577			1,126			—			63,075
Stockholders' equity		1,692,423			1,517,805			118,997			(1,636,802	)		1,692,423
Total liabilities and stockholders' equity	$	1,943,231		$	1,960,032		$	136,622		$	(1,402,577	)	$	2,637,308

	As of December 31, 2018
	Parent			Guarantors			Non- Guarantors			Eliminations			Consolidated
				Revised			Revised
	(in thousands)
Assets
Cash and cash equivalents	$	6,266		$	17,233		$	3,890		$	—		$	27,389
Other current assets		6,388			105,900			24,542			(69	)		136,761
Properties, plants, and equipment - net		1,913			2,503,467			14,624			—			2,520,004
Intercompany receivable (payable)		171,908			(546,374	)		152,031			222,435			—
Investments in subsidiaries		1,577,869			—			—			(1,577,869	)		—
Other non-current assets		276,641			10,906			(124,845	)		(142,912	)		19,790
Total assets	$	2,040,985		$	2,091,132		$	70,242		$	(1,498,415	)	$	2,703,944
Liabilities and Stockholders' Equity
Current liabilities	$	(233,824	)	$	157,640		$	7,145		$	205,233		$	136,194
Long-term debt		532,799			143,858			1			(135,988	)		540,670
Non-current portion of accrued reclamation		—			100,445			4,534			—			104,979
Non-current deferred tax liability		—			163,328			—			10,209			173,537
Other non-current liabilities		51,047			5,641			913			—			57,601
Stockholders' equity		1,690,963			1,520,220			57,649			(1,577,869	)		1,690,963
Total liabilities and stockholders' equity	$	2,040,985		$	2,091,132		$	70,242		$	(1,498,415	)	$	2,703,944

Condensed Income Statement [Table Text Block]

	Year Ended December 31, 2019
	Parent			Guarantors			Non- Guarantors			Eliminations			Consolidated
	(in thousands)
Revenues	$	(1,282	)	$	618,241		$	56,307		$	—		$	673,266
Cost of sales		(1,948	)		(407,353	)		(41,048	)		—			(450,349	)
Depreciation, depletion, and amortization		—			(189,746	)		(9,772	)		—			(199,518	)
General and administrative		(16,830	)		(17,350	)		(1,652	)		—			(35,832	)
Exploration and pre-development		(22	)		(13,191	)		(5,856	)		—			(19,069	)
Research and development		—			(533	)		(2	)		—			(535	)
Loss on derivative contracts		(3,971	)		—			—			—			(3,971	)
Acquisition costs		(271	)		(221	)		(153	)		—			(645	)
Equity in earnings of subsidiaries		(76,385	)		—			—			76,385			—
Other (expense) income		1,186			(73,750	)		2,161			(16,602	)		(87,005	)
(Loss) income before income taxes		(99,523	)		(83,903	)		(15	)		59,783			(123,658	)
(Provision) benefit from income taxes		(34	)		7,941			(408	)		16,602			24,101
Net (loss) income		(99,557	)		(75,962	)		(423	)		76,385			(99,557	)
Preferred stock dividends		(552	)		—			—			—			(552	)
(Loss) income applicable to common stockholders		(100,109	)		(75,962	)		(423	)		76,385			(100,109	)
Net (loss) income		(99,557	)		(75,962	)		(423	)		76,385			(99,557	)
Changes in comprehensive (loss) income		5,159			—			—			—			5,159
Comprehensive (loss) income	$	(94,398	)	$	(75,962	)	$	(423	)	$	76,385		$	(94,398	)

	Year Ended December 31, 2018
	Parent			Guarantors			Non- Guarantors			Eliminations			Consolidated
				Revised			Revised
	(in thousands)
Revenues	$	8,084		$	508,830		$	50,223		$	—		$	567,137
Cost of sales		(446	)		(316,132	)		(37,416	)		—			(353,994	)
Depreciation, depletion, and amortization		—			(129,442	)		(4,602	)		—			(134,044	)
General and administrative		(18,760	)		(15,963	)		(1,819	)		—			(36,542	)
Exploration and pre-development		(130	)		(30,332	)		(10,120	)		—			(40,582	)
Research and development		—			(4,094	)		(1,347	)		—			(5,441	)
Gain on derivative contracts		40,253			—			—			—			40,253
Acquisition costs		(9,445	)		(344	)		(256	)		—			(10,045	)
Equity in earnings of subsidiaries		(47,226	)		—			—			47,226			—
Other (expense) income		513			(16,347	)		3,258			(47,430	)		(60,006	)
(Loss) income before income taxes		(27,157	)		(3,824	)		(2,079	)		(204	)		(33,264	)
(Provision) benefit from income taxes		595			(37,999	)		(3,325	)		47,430			6,701
Net (loss) income		(26,562	)		(41,823	)		(5,404	)		47,226			(26,563	)
Preferred stock dividends		(552	)		—			—			—			(552	)
(Loss) income applicable to common stockholders		(27,114	)		(41,823	)		(5,404	)		47,226			(27,115	)
Net (loss) income		(26,562	)		(41,823	)		(5,404	)		47,226			(26,563	)
Changes in comprehensive (loss) income		(17,807	)		38			—			(38	)		(17,807	)
Comprehensive (loss) income	$	(44,369	)	$	(41,785	)	$	(5,404	)	$	47,188		$	(44,370	)

	Year Ended December 31, 2017
	Parent			Guarantors			Non- Guarantors			Eliminations			Consolidated
				Revised			Revised
	(in thousands)
Revenues	$	(5,983	)	$	498,000		$	85,758		$	—		$	577,775
Cost of sales		1,098			(284,344	)		(21,481	)		—			(304,727	)
Depreciation, depletion, and amortization		—			(117,906	)		(2,693	)		—			(120,599	)
General and administrative		(17,693	)		(15,889	)		(2,029	)		—			(35,611	)
Exploration and pre-development		(459	)		(19,892	)		(8,607	)		—			(28,958	)
Research and development		—			(3,276	)		—			—			(3,276	)
Loss on derivative contracts		(21,250	)		—			—			—			(21,250	)
Acquisition costs		(24	)		—			(1	)		—			(25	)
Equity in earnings of subsidiaries		(187,574	)		—			—			187,574			—
Other (expense) income		203,365			(80,035	)		8,298			(202,514	)		(70,886	)
(Loss) income before income taxes		(28,520	)		(23,342	)		59,245			(14,940	)		(7,557	)
(Provision) benefit from income taxes		—			(205,569	)		(17,908	)		202,514			(20,963	)
Net (loss) income		(28,520	)		(228,911	)		41,337			187,574			(28,520	)
Preferred stock dividends		(552	)		—			—			—			(552	)
(Loss) income applicable to common stockholders		(29,072	)		(228,911	)		41,337			187,574			(29,072	)
Net (loss) income		(28,520	)		(228,911	)		41,337			187,574			(28,520	)
Changes in comprehensive (loss) income		11,229			252			1,303			(1,555	)		11,229
Comprehensive (loss) income	$	(17,291	)	$	(228,659	)	$	42,640		$	186,019		$	(17,291	)

Condensed Cash Flow Statement [Table Text Block]

	Year Ended December 31, 2019
	Parent			Guarantors			Non- Guarantors			Eliminations			Consolidated
	(in thousands)
Cash flows from operating activities	$	(162,380	)	$	158,854		$	17,183		$	107,209		$	120,866
Cash flows from investing activities:
Additions to properties, plants, and equipment		—			(116,386	)		(5,035	)		—			(121,421	)
Other investing activities, net		(58,933	)		139			1,415			58,933			1,554
Cash flows from financing activities:
Dividends paid to stockholders		(5,466	)		—			—			—			(5,466	)
Borrowings under debt arrangements		279,500			—			—			—			279,500
Repayments of debt		(279,500	)		(7,157	)								(286,657	)
Other financing activity		254,263			(38,201	)		(4,108	)		(166,142	)		45,812
Effect of exchange rate changes on cash		—			875			—			—			875
Changes in cash, cash equivalents and restricted cash and cash equivalents		27,484			(1,876	)		9,455			—			35,063
Beginning cash, cash equivalents and restricted cash and cash equivalents		6,266			18,258			3,890			—			28,414
Ending cash, cash equivalents and restricted cash and cash equivalents	$	33,750		$	16,382		$	13,345		$	—		$	63,477

	Year Ended December 31, 2018
	Parent			Guarantors			Non- Guarantors			Eliminations			Consolidated
				Revised			Revised
	(in thousands)
Cash flows from operating activities	$	(222	)	$	91,999		$	296,081		$	(293,637	)	$	94,221
Cash flows from investing activities:														—
Additions to properties, plants, and equipment		—			(130,110	)		(6,823	)		—			(136,933	)
Purchase of other companies, net of cash acquired		(139,326	)					—			—			(139,326	)
Other investing activities, net		(209,525	)		6,789			—			242,448			39,712
Cash flows from financing activities:
Dividends paid to stockholders		(4,945	)		—			—			—			(4,945	)
Borrowings under debt arrangements		102,024			—			—			—			102,024
Repayments of debt		(106,036	)		(7,339	)		—			—			(113,375	)
Other financing activity		260,418			11,816			(322,011	)		51,189			1,412
Effect of exchange rate changes on cash		—			(1,515	)		—			—			(1,515	)
Changes in cash, cash equivalents and restricted cash and cash equivalents		(97,612	)		(28,360	)		(32,753	)		—			(158,725	)
Beginning cash, cash equivalents and restricted cash and cash equivalents		103,878			46,618			36,643			—			187,139
Ending cash, cash equivalents and restricted cash and cash equivalents	$	6,266		$	18,258		$	3,890		$	—		$	28,414

	Year Ended December 31, 2017
	Parent			Guarantors			Non-Guarantors			Eliminations			Consolidated
				Revised			Revised
	(in thousands)
Cash flows from operating activities	$	(139,900	)	$	(43,279	)	$	65,260		$	233,797		$	115,878
Cash flows from investing activities:														—
Additions to properties, plants, and equipment		—			(85,534	)		(12,504	)					(98,038	)
Other investing activities		154,723			7,901			218			(161,367	)		1,475
Cash flows from financing activities:					—			—						—
Dividends paid to stockholders		(4,528	)		—			—						(4,528	)
Repayments of debt		—			(6,986	)		—						(6,986	)
Other financing activity		(19,692	)		134,178			(35,790	)		(72,430	)		6,266
Effect of exchange rates on cash		—			1,095			—			—			1,095
Changes in cash, cash equivalents and restricted cash and cash equivalents		(9,397	)		7,375			17,184			—			15,162
Beginning cash, cash equivalents and restricted cash and cash equivalents		113,275			39,243			19,459			—			171,977
Ending cash, cash equivalents and restricted cash and cash equivalents	$	103,878		$	46,618		$	36,643		$	—		$	187,139