XML 14 R46.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value of Financial Assets and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Fair value and carrying value of long-term debt    
Long-Term Debt, Fair Value $ 16,261 $ 9,573
Long-term Debt, Carrying Value $ 16,261 $ 9,573