Annual report pursuant to Section 13 and 15(d)

Fair Value Fair Value, Option, Quantitative Disclosures - changes included in net income (Details)

v2.4.0.6
Fair Value Fair Value, Option, Quantitative Disclosures - changes included in net income (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Fair Value, Option, Quantitative Disclosures [Line Items]      
Fair Value, Option, Total Included in Net Income $ 6,331 $ 2 $ 0
Fair Value, Option, Credit Risk, Gains (Losses) on Assets 0 0 0
Loans Receivable [Member]
     
Fair Value, Option, Quantitative Disclosures [Line Items]      
Fair Value, Option, Interest Income (Expense) 609 2 0
Fair Value, Option, Realized Gain (Loss) (126) 0 0
Fair Value, Option, Changes in Fair Value, Gain (Loss) 26 0 0
Equity Securities [Member]
     
Fair Value, Option, Quantitative Disclosures [Line Items]      
Fair Value, Option, Changes in Fair Value, Gain (Loss) $ 5,822 $ 0 $ 0