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Business and Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2013
Accounting Policies [Abstract] |
Investment in Kinross |
(in thousands) | June 30, 2013 | December 31, 2012
Shares | 610 | 670
Fair value |  |
Current assets | $1,326 | $3,110
Long term assets | $1,785 | $3,402
Kinross Shares Sold |
(in thousands) | Three months ended June 30 | Six months ended June 30
| 2013 | 2012 | 2013 | 2012
Shares sold | 60 | 150 | 60 | 180
Proceeds | $313 | $1,238 | $313 | $1,591
Gain on sale | $270 | $1,132 | $270 | $1,464
Marketable Securities |
(in thousands) | June 30, 2013 | December 31, 2012
Marketable equity securities at fair value | $4,022 | $7,093
Cost | 1,307 | 851
Accumulated other comprehensive income for unrealized holding gains | 2,715 | 6,242
Deferred taxes on accumulated other comprehensive income for unrealized holding gains | 1,354 | 2,328
Accumulated other comprehensive income | $1,361 | $3,914
Changes in Marketable Securities |
(in thousands) | Three months ended June 30, | Six months ended June 30,
| 2013 | 2012 | 2013 | 2012
Gross cash proceeds | $313 | $1,238 | $313 | $1,591
Cost | 43 | 106 | 43 | 127
Gross gain on sale included in earnings during the period | 270 | 1,132 | 270 | 1,464
Deferred taxes on gross gain on sale included in earnings | (101) | (422) | (101) | (546)
Reclassification adjustment to unrealized gain in other comprehensive income for net gains included in earnings | (169) | (710) | (169) | (918)
Gross unrealized holding loss arising during the period included in other comprehensive loss. | (1,848) | (1,579) | (3,258) | (2,665)
Deferred taxes on unrealized holdings loss included in other comprehensive loss | 348 | 589 | 874 | 994
Net unrealized holding loss | (1,500) | (990) | (2,384) | (1,671)
Other comprehensive loss from marketable equity Securities | $(1,669) | $(1,700) | $(2,553) | $(2,589)

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