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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |
Net (loss) income | $ (37,348) | $ 35,095 | $ (9,457)
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] |  |  |
Depreciation, depletion and amortization | 145,147 | 172,651 | 155,006
Fair value adjustments, net | 24,182 | 15,040 | (4,690)
Adjustment of inventory to net realizable value | 2,646 | 6,524 | 0
Provision for reclamation and closure costs | 9,572 | 11,514 | 6,189
Deferred income taxes | (25,546) | (48,049) | (3,818)
Stock compensation | 6,012 | 6,082 | 6,458
Foreign exchange (gain) loss | (9,210) | (79) | 2,680
Other non-cash items | 3,736 | 2,663 | 6,032
Increase (Decrease) in Operating Capital [Abstract] |  |  |
Accounts receivable | 8,669 | (5,405) | (1,080)
Inventories | (18,230) | 16,919 | (13,208)
Other current and non-current assets | (12,388) | (1,678) | 2,381
Accounts payable and accrued liabilities | (24,981) | (795) | 19,379
Accrued payroll and related benefits | 13,732 | 1,270 | 14,445
Accrued taxes | (7,927) | 6,457 | 3,561
Accrued reclamation and closure costs and other non-current liabilities | 11,824 | 2,128 | (3,085)
Net cash provided by operating activities | 89,890 | 220,337 | 180,793
Net Cash Provided by (Used in) Investing Activities [Abstract] |  |  |
Additions to properties, plants, equipment and mineral interests | (149,378) | (109,048) | (91,016)
Purchase of carbon credits | 0 | (869) | 0
Payments for pre acquisition advance to alexco | (25,000) |  |
Acquisitions, net | 8,953 |  |
Proceeds from sale or exchange of investments | 9,375 | 1,811 | 0
Proceeds from Sale of Property, Plant, and Equipment | 748 | 1,077 | 331
Purchases of investments | (31,971) | 0 | (2,216)
Net cash used in investing activities | (187,273) | (107,029) | (92,901)
Net Cash Provided by (Used in) Financing Activities [Abstract] |  |  |
Proceeds from issuance of common stock, net of offering costs | 17,278 | 0 | 0
Dividends paid to common and preferred stockholders | (12,932) | (20,672) | (9,152)
Acquisition of treasury shares from employee equity awards | (3,677) | (4,525) | (2,745)
Borrowings of debt | 25,000 | 0 | 716,327
Repayments of debt | (25,000) | 0 | (716,500)
Repayments of finance leases | (7,633) | (7,285) | (5,953)
Payments for other financing activities | (536) | 116 | 1,356
Net cash used in financing activities | (7,500) | (32,598) | (19,379)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations | (273) | (530) | (1,107)
Net (decrease) increase in cash, cash equivalents and restricted cash and cash equivalents | (105,156) | 80,180 | 67,406
Cash, cash equivalents and restricted cash and cash equivalents at beginning of year | 211,063 | 130,883 | 63,477
Cash, cash equivalents and restricted cash and cash equivalents at end of year | 105,907 | 211,063 | 130,883
Supplemental Cash Flow Information [Abstract] |  |  |
Interest | (37,200) | (37,565) | (34,853)
Income and mining taxes | (14,405) | (12,105) | 7,913
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] |  |  |
Addition of finance lease obligations | 11,887 | 4,870 | 9,113
Recognition of operating lease liabilities and right-of-use assets | 6,842 | 4,874 | 0
Common stock contributed to pension plans | 9,740 | 22,250 | 16,032
Common stock issued for 401(k) match | 4,470 | 4,339 | 4,624
Restricted Stock or Unit Expense | 0 | 0 | 5,096
Common stock issued to stockholders | 68,733 |  |
Common stock issued to settle acquired silver stream | 135,000 |  |
Equity securities received from exchange of investments | $ 0 | $ 3,626 | $ 0

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