CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net income	$ 5,504	$ 6,128	$ 12,308	$ 20,782
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding gains on investment securities, net of deferred income tax expense of $4,455, $5,761, $9,681 and $12,371	8,274	10,698	17,979	22,973
Reclassification adjustment for net realized investment gains included in net income, net of income tax expense of $(1,646), $(1,071), $(2,227) and $(1,361)	(3,056)	(1,990)	(4,135)	(2,529)
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income, net of deferred income tax expense of $(146), $(129), $(293) and $(265):
Net actuarial loss	240	270	479	549
Prior service credit	(513)	(508)	(1,024)	(1,039)
Total reclassification adjustment associated with affiliate's pension and postretirement benefit plans	(273)	(238)	(545)	(490)
Other comprehensive income (loss)	4,945	8,470	13,299	19,954
Total comprehensive income	$ 10,449	$ 14,598	$ 25,607	$ 40,736