Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 169,777	$ 155,209
Investments	29,117
Accounts receivable:
Trade	20,082	13,490
Taxes	187	11,458
Other, net	9,780	16,401
Inventories:
Concentrates, doré, stockpiled ore, and metals in transit and in-process	25,944	22,441
Materials and supplies	24,079	23,101
Current deferred income taxes	12,293	17,980
Other current assets	12,125	9,453
Total current assets	303,384	269,533
Non-current investments	5,002	1,515
Non-current restricted cash and investments	2,200	999
Properties, plants, equipment and mineral interests, net	2,032,685	1,896,811
Non-current deferred income taxes	23,522	36,589
Reclamation insurance		13,695
Other non-current assets	4,884	2,783
Total assets	2,371,677	2,221,925
Current liabilities:
Accounts payable and accrued liabilities	60,064	51,277
Accrued payroll and related benefits	36,515	27,563
Accrued taxes	9,061	8,915
Current portion of capital leases	5,653	8,735
Current portion of accrued reclamation and closure costs	5,653	20,989
Current portion of debt	470	2,721
Other current liabilities	10,064	6,884
Total current liabilities	127,480	127,084
Long-term capital leases	5,838	8,841
Accrued reclamation and closure costs	79,927	74,549
Long-term debt	500,979	500,199
Non-current deferred tax liability	121,600	119,623
Non-current pension liability	44,491	46,513
Other non-current liabilities	11,518	52,703
Total liabilities	891,833	882,999
Commitments and contingencies (Notes 2, 3, 4, 6, 7, 8, and 10)
STOCKHOLDERS’ EQUITY
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 2016 — 395,286,875 shares and 2015 — 378,112,840 shares	99,806	95,219
Capital surplus	1,597,212	1,519,598
Accumulated deficit	(167,437)	(232,565)
Accumulated other comprehensive loss, net	(34,602)	(32,631)
Less treasury stock, at cost; 2016 — 3,941,210 and 2015 — 2,764,973 shares issued and held in treasury	(15,174)	(10,734)
Total stockholders’ equity	1,479,844	1,338,926
Total liabilities and stockholders’ equity	$ 2,371,677	$ 2,221,925