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Investments (Tables)
 3 Months Ended
Mar. 31, 2014
Investments, Debt and Equity Securities [Abstract]  
Schedule Of Amortized Costs And Fair Value
The following table summarizes, by major security type, the amortized costs and fair value of the Company’s investments: 
 
March 31, 2014
 
December 31, 2013
(In thousands)
Cost Basis(1)
 
Fair Value
 
Net unrealized loss in AOCI (2)
 
Cost Basis(1)
 
Fair Value
 
Net unrealized loss in AOCI (2)
Short-term bond mutual funds
$
8,000

 
$
7,989

 
$
(11
)
 
$
8,000

 
$
7,985

 
$
(15
)
Certificates of deposit
1,644

 
1,644

 
—

 
1,634

 
1,634

 
—

Other investment
621

 
621

 
—

 
612

 
612

 
—

Total investments
$
10,265

 
$
10,254

 
$
(11
)
 
$
10,246

 
$
10,231

 
$
(15
)
(1) The cost basis represents the actual amount paid less any permanent impairment recorded on that asset.
Schedule Of Gains And Losses
 (In thousands)
March 31, 2014
March 31, 2013
Net proceeds
$
—

$
7,570

Realized gains
$
—

$
38