Other Assets (Tables)

9 Months Ended

Sep. 30, 2012

Other Assets [Abstract]

Available-For-Sale Investments

The cost, gross unrealized gains, gross unrealized losses and fair value of the Company’s available-for-sale investments at December 31, 2011 were as follows:

	December 31, 2011
	Cost		Gross Unrealized Gains		Gross Unrealized Losses (1)			Fair Value
Available-for-sale equity securities	$	28,265	$	1,981	$	(133	)	$	30,113

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(1) All unrealized loss positions were held at a loss for less than 12 months.

Proceeds from Sales of Available-For-Sale Equity Securities and Gross Realized Gains Included in the Consolidated Statements of Operations

The proceeds from sales of available-for-sale equity securities and the gross realized gains included in the consolidated statements of operations are reflected in the table below. The cost of securities sold was determined using the specific identification method.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Proceeds from sales of available-for-sale equity securities	$	1,628	$	—	$	47,655	$	—
Gross realized gains	$	477	$	—	$	16,429	$	—