Fair Values of Financial Instruments (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Balance at the beginning of the period $ 653 $ 0
Total gains or losses (realized/unrealized):    
Included in earnings 0 0
Included in other comprehensive income 0 0
Issuances 0 0
Transfers in and/or out of Level 3 0 653
Balance at the end of the period $ 653 $ 653