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Supplemental Guarantor Information Condensed Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Condensed Financial Statements, Captions [Line Items] |  |
Net Cash Provided by (Used in) Operating Activities | $ 55,271 | $ 6,617
Capital expenditures | (23,979) | (22,172)
Proceeds from Sale of Property, Plant, and Equipment | 15,019 | 4,009
Purchase of short term investments and equity securities | (1,016) | (7)
Sales and maturities of short-term investments | 10,020 | 997
Payments for (Proceeds from) Other Investing Activities | (1,546) | (1,473)
Payments to Acquire Interest in Subsidiaries and Affiliates | 0 | 0
CASH USED IN INVESTING ACTIVITIES | (1,502) | (18,646)
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities | (3,226) | (5,971)
Cash payments on gold production royalty | 0 | (9,131)
Proceeds From Repayment Intercompany Borrowings | 0 | 0
Proceeds from (Payments for) Other Financing Activities | (3,247) | (280)
CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES | (6,473) | (15,382)
Effect of exchange rate changes on cash and cash equivalents | 555 | 86
Cash and Cash Equivalents, Period Increase (Decrease) | 47,851 | (27,325)
Cash and cash equivalents at beginning of period | 162,182 | 200,714
Cash and cash equivalents at end of period | 210,033 | 173,389
Coeur Mining, Inc. |  |
Condensed Financial Statements, Captions [Line Items] |  |
Net Cash Provided by (Used in) Operating Activities | (4,815) | (28,642)
Capital expenditures | (319) | (46)
Proceeds from Sale of Property, Plant, and Equipment | 8,916 | 0
Purchase of short term investments and equity securities | (1,016) | (7)
Sales and maturities of short-term investments | 9,157 | 501
Payments for (Proceeds from) Other Investing Activities | (1,486) | (1,539)
Payments to Acquire Interest in Subsidiaries and Affiliates | (12,454) | 3,420
CASH USED IN INVESTING ACTIVITIES | 2,798 | 2,329
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities | 0 | (250)
Cash payments on gold production royalty |  | 0
Proceeds From Repayment Intercompany Borrowings | 14,318 | (7,879)
Proceeds from (Payments for) Other Financing Activities | (3,247) | (280)
CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES | 11,071 | (8,409)
Effect of exchange rate changes on cash and cash equivalents | 0 | 0
Cash and Cash Equivalents, Period Increase (Decrease) | 9,054 | (34,722)
Cash and cash equivalents at beginning of period | 58,048 | 96,123
Cash and cash equivalents at end of period | 67,102 | 61,401
Guarantor Subsidiaries |  |
Condensed Financial Statements, Captions [Line Items] |  |
Net Cash Provided by (Used in) Operating Activities | 17,183 | 21,460
Capital expenditures | (16,975) | (12,790)
Proceeds from Sale of Property, Plant, and Equipment | 6,151 | 4,000
Purchase of short term investments and equity securities | 0 | 0
Sales and maturities of short-term investments | 863 | 496
Payments for (Proceeds from) Other Investing Activities | 0 | 107
Payments to Acquire Interest in Subsidiaries and Affiliates | (70) | 8,179
CASH USED IN INVESTING ACTIVITIES | (10,031) | (8)
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities | (1,874) | (830)
Cash payments on gold production royalty |  | 0
Proceeds From Repayment Intercompany Borrowings | (9,325) | (24,965)
Proceeds from (Payments for) Other Financing Activities | 0 | 0
CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES | (11,199) | (25,795)
Effect of exchange rate changes on cash and cash equivalents | 0 | 4
Cash and Cash Equivalents, Period Increase (Decrease) | (4,047) | (4,339)
Cash and cash equivalents at beginning of period | 50,023 | 34,228
Cash and cash equivalents at end of period | 45,976 | 29,889
Non-Guarantor Subsidiaries |  |
Condensed Financial Statements, Captions [Line Items] |  |
Net Cash Provided by (Used in) Operating Activities | 58,979 | 10,210
Capital expenditures | (6,685) | (9,336)
Proceeds from Sale of Property, Plant, and Equipment | (48) | 9
Purchase of short term investments and equity securities | 0 | 0
Sales and maturities of short-term investments | 0 | 0
Payments for (Proceeds from) Other Investing Activities | (60) | (41)
Payments to Acquire Interest in Subsidiaries and Affiliates | 67 | 0
CASH USED IN INVESTING ACTIVITIES | (6,726) | (9,368)
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities | (1,352) | (4,891)
Cash payments on gold production royalty |  | (9,131)
Proceeds From Repayment Intercompany Borrowings | (8,612) | 24,834
Proceeds from (Payments for) Other Financing Activities | 0 | 0
CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES | (9,964) | 10,812
Effect of exchange rate changes on cash and cash equivalents | 555 | 82
Cash and Cash Equivalents, Period Increase (Decrease) | 42,844 | 11,736
Cash and cash equivalents at beginning of period | 54,111 | 70,363
Cash and cash equivalents at end of period | 96,955 | 82,099
Eliminations |  |
Condensed Financial Statements, Captions [Line Items] |  |
Net Cash Provided by (Used in) Operating Activities | (16,076) | 3,589
Capital expenditures | 0 | 0
Proceeds from Sale of Property, Plant, and Equipment | 0 | 0
Purchase of short term investments and equity securities | 0 | 0
Sales and maturities of short-term investments | 0 | 0
Payments for (Proceeds from) Other Investing Activities | 0 | 0
Payments to Acquire Interest in Subsidiaries and Affiliates | 12,457 | (11,599)
CASH USED IN INVESTING ACTIVITIES | 12,457 | (11,599)
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities | 0 | 0
Cash payments on gold production royalty |  | 0
Proceeds From Repayment Intercompany Borrowings | 3,619 | 8,010
Proceeds from (Payments for) Other Financing Activities | 0 | 0
CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES | 3,619 | 8,010
Effect of exchange rate changes on cash and cash equivalents | 0 | 0
Cash and Cash Equivalents, Period Increase (Decrease) | 0 | 0
Cash and cash equivalents at beginning of period | 0 | 0
Cash and cash equivalents at end of period | $ 0 | $ 0

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