v2.4.0.8
Investments Available-for-sale Securities (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Amortized Cost Basis $ 7,969 $ 3,370
Available-for-sale Securities, Gross Unrealized Gain (Loss) (795) (196)
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value 7,174 3,174
Debt Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Amortized Cost Basis 3,370 3,370
Available-for-sale Securities, Gross Unrealized Gain (Loss) (740) (196)
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value 2,630 3,174
Redeemable Preferred Stock [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Amortized Cost Basis 4,599 0
Available-for-sale Securities, Gross Unrealized Gain (Loss) (55) 0
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value $ 4,544 $ 0