Long-Term Investments (Tables)

6 Months Ended

Jun. 30, 2013

Investments Debt And Equity Securities [Abstract]

Summary of Available-for-Sale Securities

The following is a summary of available-for-sale securities (in thousands):


June 30, 2013	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Failed Auction Securities	$	6,000	$		$	1,083	$	4,917
Brokered certificates of deposit		1,280		10		—		1,290
Certificate of deposit		231		—		—		231

	$	7,511	$	10	$	1,083	$	6,438


December 31, 2012	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Failed Auction Securities	$	6,100	$	—	$	1,121	$	4,979
Brokered certificates of deposit		1,280		12		—		1,292
Certificates of deposit		465		—		—		465

	$	7,845	$	12	$	1,121	$	6,736

Amortized Cost and Estimated Fair Value of Available-for-Sale Securities

The amortized cost and estimated fair value of available-for-sale securities on June 30, 2013, by contractual maturities, are shown below (in thousands):


	Cost		Estimated Fair Value
Due in one year or less	$	781	$	783
Due in two to ten years		730		738
Due in ten to twenty years		—		—
Due in twenty to forty years		6,000		4,917

	$	7,511	$	6,438

Roll Forward of Credit Loss Recognized in Earnings on Available-for-Sale Auction Rate Securities

The following table represents a roll forward of the activity related to the credit loss recognized in earnings on available-for-sale auction rate securities held by the Company for the six months ended June 30 (in thousands):


	2013			2012
Balance at the beginning of the period	$	317		$	308
Additions for the amount related to credit loss for which other-than- temporary impairment was not previously recognized		86			—
Reduction for security sold during the period		(7	)		—
Subsequent loss recovery		—			(4	)

Balance at the end of the period	$	396		$	304

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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- Definition

Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income.

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