Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net loss	$ (19,030)	$ (4,087)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, depletion and amortization	16,059	14,426
Accretion of asset retirement obligation and receivable	3,479	3,180
Non-cash tax benefits	(138)	0
Amortization of intangible assets and liabilities, net	153	164
Share-based compensation	728	2,386
Loss (gain) on sales of assets	38	(234)
Amortization of deferred financing costs	271	933
Loss on sales of investment securities	0	7
Loss on foreign exchange	6,790	0
Changes in operating assets and liabilities:
Receivables, net	5,202	120
Inventories	4,525	(2,687)
Excess of black lung benefit obligation over trust assets	701	83
Accounts payable and accrued expenses	10,959	3,245
Deferred revenue	(1,302)	160
Income tax payable	28	27
Accrual for workers' compensation	(69)	(191)
Asset retirement obligation	(1,352)	(3,207)
Accrual for postretirement medical benefits	906	1,985
Pension and SERP obligations	(293)	742
Other assets and liabilities	1,993	4,164
Net cash provided by operating activities	29,648	21,216
Cash flows from investing activities:
Additions to property, plant and equipment	(3,050)	(5,301)
Change in restricted investments and bond collateral and reclamation deposits	(465,544)	(6,435)
Net proceeds from sales of assets	0	441
Proceeds from sale of restricted investments	0	5,619
Receivable from customer for property and equipment purchases	(10)	(49)
Other	(60)	0
Net cash used in investing activities	(468,664)	(5,725)
Cash flows from financing activities:
Change in book overdrafts	(315)	820
Borrowings from long-term debt, net of debt discount	454,219	0
Repayments of long-term debt	(6,239)	(6,573)
Borrowings on revolving lines of credit	0	6,000
Repayments of revolving lines of credit	0	(6,000)
Debt issuance costs and other refinancing costs	(7,598)	(156)
Preferred dividends paid	(261)	(340)
Net cash provided by (used in) financing activities	439,806	(6,249)
Net increase in cash and cash equivalents	790	9,242
Cash and cash equivalents, beginning of period	61,110	31,610
Cash and cash equivalents, end of period	$ 61,900	$ 40,852