Marketable Investment Securities, Restricted Cash and Other Investment Securities (Details 7) (USD $) In Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Other Income (Expense)
Marketable investment securities - gains (losses) on sales/exchanges	$ (4,659)		$ 1,732	$ (49)
Marketable investment securities - unrealized gains (losses) on investments accounted for at fair value	(14,735)		(19,508)
Other investment securities - gains (losses) on sales/exchanges		52	10,000	1,604
Other investment securities - unrealized gains (losses) on fair value investments and other-than-temporary impairments		(877)		2,146
Other	(400)	(2,903)	(385)	(2,774)
Total	$ (19,794)	$ (3,728)	$ (8,161)	$ 927

This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

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The aggregate net change in the difference between the fair value and the carrying value, or in the comparative fair values, of marketable securities categorized as trading held at each balance sheet date, that was included in earnings for the period, which may have arisen from (a) securities classified as trading, (b) the unrealized holding gain (loss) on held-to-maturity securities transferred to the trading security category, and (c) the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) on available-for-sale securities transferred to trading securities during the period.

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