CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net income (loss)	$ (76)	$ 6,804
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding gains (losses) on investment securities not reflected in net income, net of deferred income tax expense (benefit) of $(5,042) and $5,226	(18,969)	9,705
Reclassification adjustment for net realized investment (gains) losses included in net income (loss), net of income tax (expense) benefit of $51 and $(581)	193	(1,079)
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income, net of deferred income tax expense of $(144) and $(147):
Net actuarial loss	81	239
Prior service credit	(622)	(511)
Total reclassification adjustment associated with affiliate's pension and postretirement benefit plans	(541)	(272)
Other comprehensive income (loss)	(19,317)	8,354
Total comprehensive income (loss)	$ (19,393)	$ 15,158