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Investments (Tables)
 6 Months Ended
Jun. 30, 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: 
 
June 30, 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
$
24,000

 
$
24,034

 
$
34

 
$
8,000

 
$
7,985

 
$
(15
)
Certificates of deposit
1,663

 
1,663

 
—

 
1,634

 
1,634

 
—

Other investment
362

 
362

 
—

 
612

 
612

 
—

Total investments
$
26,025

 
$
26,059

 
$
34

 
$
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
 
Three months ended
Six months ended
 (In thousands)
June 30, 2014
June 30, 2013
June 30, 2014
June 30, 2013
Net proceeds
$
4,000

$
20,707

$
4,000

$
28,277

Realized gains
$
—

$
(95
)
$
—

$
(57
)