XML 45 R35.htm IDEA: XBRL DOCUMENT v2.4.0.8
INVESTMENTS, AVAILABLE-FOR-SALE SECURITIES (Details) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses $ 0 $ 0
Available-for-sale Securities Reconciliation [Abstract]    
Amortized Cost 23,517 23,604
Gross Unrealized Gains 164 101
Gross Unrealized Losses (2,006) (2,006)
Fair Value 21,675 21,699
Available-for-sale securities, unrealized loss positions    
Aggregate Fair Value 21,069 21,156
Government-Sponsored Enterprise Obligations [Member]
    
Available-for-sale Securities Reconciliation [Abstract]    
Amortized Cost   37
Gross Unrealized Gains   0
Gross Unrealized Losses 0 0
Fair Value   37
Available-for-sale securities, unrealized loss positions    
Aggregate Fair Value 0 37
Auction Rate Securities [Member]
    
Available-for-sale Securities Reconciliation [Abstract]    
Amortized Cost 23,517 23,567
Gross Unrealized Gains 164 101
Gross Unrealized Losses (2,006) (2,006)
Fair Value 21,675 21,662
Available-for-sale securities, unrealized loss positions    
Aggregate Fair Value $ 21,069 $ 21,119