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14. Employee Benefits - Funded Status (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Change in Projected Benefit Obligation    
Projected benefit obligation, beginning of year $ 21,792 $ 19,443
Service cost 0 0
Interest cost 823 875
Assumption changes (2,420) 2,332
Actuarial (gain) loss (113) 2
Settlements 0 0
Benefits paids (1,241) (860)
Projected benefit obligation, end of year 18,841 21,792
Change in Plan Assets    
Fair value of plan assets, beginning of year 16,612 10,613
Return on assets 6,009 5,439
Employer contribution 389 1,473
Expenses (105) (53)
Settlements 0 0
Benefits paid (1,241) (860)
Fair value of plan assets, end of year 21,664 16,612
Funded Status at end of year $ 2,823 $ (5,180)