- Definition

This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

+ References + Details

Available For Sale Securities (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Investments [Line Items]
Net realized securities gains		$ 62,957	$ 30,394	$ 243,957
Inmet Mining Corporation [Member]
Schedule of Investments [Line Items]
Aggregate net proceeds	$ 391,200
Net realized securities gains				$ 227,600
First Quantum Minerals Ltd [Member]
Schedule of Investments [Line Items]
Shares of common stock received	18,202,313
Fair value of shares received	$ 340,400