XML 12 R48.htm IDEA: XBRL DOCUMENT v2.4.0.6
Retirement Plan (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Cost components:    
Service cost-benefits earned during the period $ (126) $ (120)
Interest cost on projected benefit obligation (192) (158)
Expected return on plan assets 222 172
Net amortization and deferral (210) (94)
Total net periodic pension cost $ (306) $ (200)