Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 22,936	$ 14,258
Receivables:
Trade	134,141	143,052
Loan and lease receivables	6,157	10,493
Contractual third-party reclamation receivables	8,020	12,462
Other	11,598	19,923
Total receivables	159,916	185,930
Inventories	121,858	133,855
Other current assets	16,103	13,645
Total current assets	320,813	347,688
Property, plant and equipment:
Land and mineral rights	476,447	500,226
Plant and equipment	790,677	956,112
Gross property, plant and equipment	1,267,124	1,456,338
Less accumulated depreciation, depletion and amortization	554,008	528,676
Net property, plant and equipment	713,116	927,662
Loan and lease receivables	49,313	73,180
Advanced coal royalties	19,781	17,508
Reclamation deposits	77,364	77,907
Restricted investments and bond collateral	140,807	164,389
Contractual third-party reclamation receivables, less current portion	86,915	104,021
Investment in joint venture	27,374	33,409
Intangible assets, net of accumulated amortization of $15.9 million and $15.3 million at December 31, 2015 and December 31, 2014, respectively	29,190	31,315
Other assets	37,723	39,416
Total Assets	1,502,396	1,816,495
Current liabilities:
Current installments of long-term debt	38,852	43,136
Revolving lines of credit	1,970	9,576
Accounts payable and accrued expenses:
Trade and other accrued liabilities	109,850	149,514
Interest payable	15,527	2,699
Production taxes	46,895	45,747
Postretirement medical benefits	13,855	13,263
Pension and SERP	368	368
Deferred revenue	10,715	13,175
Asset retirement obligations	43,950	43,289
Other current liabilities	30,688	53,130
Total current liabilities	312,670	373,897
Long-term debt, less current installments	1,004,892	932,075
Workers’ compensation, less current portion	5,068	6,315
Excess of black lung benefit obligation over trust assets	17,220	11,252
Postretirement medical costs, less current portion	285,518	293,156
Pension and SERP obligations, less current portion	44,808	49,779
Deferred revenue, less current portion	24,613	35,255
Asset retirement obligations, less current portion	375,813	409,456
Intangible liabilities, net of accumulated amortization of $9.8 million at December 31, 2015 and $13.5 million at December 31, 2014, respectively	3,470	4,538
Deferred income taxes	0	21,769
Other liabilities	30,208	28,448
Total liabilities	2,104,280	2,165,940
Shareholders' deficit:
Preferred stock of $1.00 par value. Authorized 5,000,000 shares; no issued and outstanding shares at December 31, 2015 and 91,669 shares issued and outstanding at December 31, 2014	0	92
Common stock of $0.01 par value as of December 31, 2015 and $2.50 par value as of December 31, 2014. Authorized 30,000,000 shares; Issued and outstanding 18,162,148 shares at December 31, 2015 and 17,102,777 shares at December 31, 2014, respectively	182	42,756
Other paid-in capital	240,721	185,644
Accumulated other comprehensive loss	(171,300)	(124,296)
Accumulated deficit	(672,219)	(468,902)
Total shareholders’ deficit	(602,616)	(364,706)
Noncontrolling interests in consolidated subsidiaries	732	15,261
Total deficit	(601,884)	(349,445)
Total Liabilities and Deficit	$ 1,502,396	$ 1,816,495