Consolidated Statements of Comprehensive Income (Loss) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Consolidated Statements of Comprehensive Income (Loss) [Abstract]      
Net income (loss) $ 21,863 $ 13,429 $ 8,245
Other comprehensive income:      
Change in net actuarial gain (loss) 43 (1,723) 2,268
Tax effect on change in net actuarial gain (loss) (15) 603 (794)
Unrealized holding (losses) gains arising during the period (10,191) 3,543 22,094
Tax effect on unrealized holding (losses) gains arising during the period 3,567 (1,240) (7,733)
Reclassification adjustment for gains included in net realized gains (5,826) (408) (10,540)
Tax effect on reclassification adjustment for gains included in income tax expense 2,039 143 3,689
Other comprehensive income (loss), net of tax (10,383) 918 8,984
Comprehensive income (loss) $ 11,480 $ 14,347 $ 17,229