MARKETABLE SECURITIES (Notes)

9 Months Ended

Sep. 30, 2013

Investments, Debt and Equity Securities [Abstract]

MARKETABLE SECURITIES

MARKETABLE SECURITIES

Our portfolio of marketable securities was comprised of debt securities that were classified as trading securities. Our marketable securities consisted of investments in mortgage-backed securities issued by the Government National Mortgage Association (“GNMA securities”). We reported our trading securities at fair value, using prices provided by independent market participants that were based on observable inputs using market-based valuation techniques (Level 2 of the fair value hierarchy-see Note 4). On August 20, 2012, we sold all of our outstanding GNMA securities with a realized loss of $0.7 million for the nine months ended September 30, 2012.