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FAIR VALUE MEASUREMENTS (Reconciliation of Beginning and Ending Balances of Assets Unobservable Inputs) (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2013
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning Balance $ 612
Purchases, additions and issuances 8,250
Included in earnings (2,950)
Included in other comprehensive income (loss) 450
Transfers in and out of Level 3 0
Ending Balance 6,362
Available-for-sale Equity Securities [Member]
 
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning Balance 612
Purchases, additions and issuances 0
Included in earnings 0
Included in other comprehensive income (loss) 450
Transfers in and out of Level 3 0
Ending Balance 1,062
Put Option Derivative Assets [Member]
 
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning Balance 0
Purchases, additions and issuances 8,250
Included in earnings (2,950)
Included in other comprehensive income (loss) 0
Transfers in and out of Level 3 0
Ending Balance $ 5,300