AVAILABLE-FOR-SALE SECURITIES (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of available-for-sale securities

	As at June 30, 2012			As at December 31, 2011

Available-for-sale securities in an unrealized gain position
Cost (net of impairments)	$	31,005		$	127,344
Unrealized gains in accumulated other comprehensive loss		1,896			16,408

Estimated fair value		32,901			143,752

Available-for-sale securities in an unrealized loss position
Cost (net of impairments)		47,867			1,717
Unrealized losses in accumulated other comprehensive loss		(4,243	)		(58	)

Estimated fair value		43,624			1,659

Total estimated fair value of available-for-sale securities	$	76,525		$	145,411

- Definition

Tabular disclosure of available-for-sale securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt.

+ References

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+ Details