Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Consolidated Statements of Comprehensive Income [Abstract]
Net (loss) income	$ (625)	$ 10,347
Other comprehensive income:
Change in net actuarial loss (gain)	120	(576)
Tax effect on change in net actuarial (loss) gain	(25)	121
Unrealized holding gains (losses) arising during the period	13,645	(3,343)
Tax effect on unrealized holding (gains) losses arising during the period	(2,865)	702
Reclassification adjustment for gains included in net income	(4,464)	(1,803)
Tax effect on reclassification adjustment for gains included in net income	937	379
Other comprehensive income (loss), net of tax	7,348	(4,520)
Comprehensive income	$ 6,723	$ 5,827