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Fair Value Measurement:
12 Months Ended
Dec. 31, 2011
Fair Value Disclosures [Abstract]  
Fair Value Measurement [Text Block]
 
The Company’s investment securities consist of certificates of deposit, corporate bonds, federal tax-exempt state and municipal government debt and sovereign bonds.  All investment securities are considered available -for-sale and are "investment grade", carried at fair value and there have been no gains or losses on their disposal. The Company has $5.5 million of its investment securities as Level 1 assets, which are certificates of deposit with quoted prices in active markets.  The Company has $54.9 million of its investment securities as Level 2 assets, which are pre-refunded municipal securities, non-pre-refunded municipal securities, corporate bonds and sovereign bonds and have observable market based inputs such as quoted prices, interest rates and yield curves.

The following table provides the assets and liabilities carried at fair value measured on a recurring basis. 
 
Fair value measurements at December 31, 2011 using
 
Total carrying
value
 
Quoted prices
in active
markets for
identical
assets (level 1)
 
Significant
other
observable
inputs (level 2)
 
Significant
unobservable
inputs (level 3)
Available for sale securities
$
60,395

 
$
5,459

 
$
54,936

 
$

 
$
60,395

 
$
5,459

 
$
54,936

 
$

 
 
 
Fair value measurements at December 31, 2010 using
 
Total carrying
value
 
Quoted prices
in active
markets for
identical
assets (level 1)
 
Significant
other
observable
inputs (level 2)
 
Significant
unobservable
inputs (level 3)
Available for sale securities
$
14,507

 
$
2,820

 
$
11,687

 
$

 
$
14,507

 
$
2,820

 
$
11,687

 
$



The following table summarizes the change in the fair values for Level 3 items for the years ended December 31, 2011 and 2010:
 
Level 3 changes in fair value (pre-tax): 
 
2011
 
2010
Beginning balance
$

 
$
900

Transfer into Level 3

 

Sales

 
(900
)
Unrealized holding loss, included in other comprehensive income

 

Ending balance
$

 
$