Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 155,209	$ 209,665
Accounts receivable:
Trade	13,490	17,696
Taxes	11,458	10,392
Other, net	16,401	6,792
Inventories:
Concentrates, doré, stockpiled ore, and metals in transit and in-process	22,441	25,999
Materials and supplies	23,101	21,474
Current deferred income taxes	17,980	12,029
Other current assets	9,453	12,312
Total current assets	269,533	316,359
Non-current investments	1,515	4,920
Non-current restricted cash and investments	999	883
Properties, plants, equipment and mineral interests, net	1,896,811	1,831,564
Non-current deferred income taxes	36,589	98,923
Reclamation insurance	13,695
Other non-current assets	2,783	9,415
Total assets	2,221,925	2,262,064
Current liabilities:
Accounts payable and accrued liabilities	51,277	41,869
Accrued payroll and related benefits	27,563	27,956
Accrued taxes	8,915	4,241
Current portion of capital leases	8,735	9,491
Current portion of accrued reclamation and closure costs	20,989	1,631
Current portion of debt	2,721
Other current liabilities	6,884	5,797
Total current liabilities	127,084	90,985
Long-term capital leases	8,841	13,650
Accrued reclamation and closure costs	74,549	55,619
Long-term debt	500,199	498,479
Non-current deferred tax liability	119,623	153,300
Non-current pension liability	46,513	43,348
Other non-current liabilities	6,190	9,709
Total liabilities	$ 882,999	$ 865,090
Commitments and contingencies (Notes 2, 3, 4, 6, 7, 8, and 10)
Preferred stock, 5,000,000 shares authorized:
Series B preferred stock, $0.25 par value, 157,816 shares issued and outstanding, liquidation preference — $7,891	$ 39	$ 39
Common stock, $0.25 par value, authorized 500,000,000 shares; issued and outstanding 2015 — 378,112,840 shares and 2014 — 367,376,863 shares	95,219	92,382
Capital surplus	1,519,598	1,486,750
Accumulated deficit	(232,565)	(141,306)
Accumulated other comprehensive loss, net	(32,631)	(32,031)
Less treasury stock, at cost; 2015 — 2,764,973 and 2014 — 2,151,482 shares issued and held in treasury	(10,734)	(8,860)
Total stockholders’ equity	1,338,926	1,396,974
Total liabilities and stockholders’ equity	$ 2,221,925	$ 2,262,064