Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ 10,347	$ (11,553)
Other comprehensive income (loss):
Change in net actuarial (loss) gain	(576)	548
Tax effect on change in net actuarial (loss) gain	121	(192)
Unrealized holding (losses) gains arising during the period	(3,343)	9,117
Tax effect on unrealized holding (losses) gains arising during the period	702	(3,191)
Reclassification adjustment for gains included in net realized gains	(1,803)	(6,799)
Tax effect on reclassification adjustment for gains included in net income	379	2,380
Other comprehensive (loss) income, net of tax	(4,520)	1,863
Comprehensive income (loss)	$ 5,827	$ (9,690)