CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 1,861	$ 12,146
Other comprehensive income:
Change in net unrealized holding gains on available-for-sale securities and I/O strips	7,177	4,871
Deferred income taxes	(2,081)	(1,467)
Change in net unamortized unrealized gain on securities available-for-sale that were reclassified to securities held-to-maturity	(13)	(26)
Deferred income taxes	4	8
Reclassification adjustment for gains realized in income	(100)
Deferred income taxes	29
Change in unrealized gains on securities and I/O strips, net of deferred income taxes	5,016	3,386
Change in net pension and other benefit plan liability adjustment	75	12
Deferred income taxes	(22)	(4)
Change in pension and other benefit plan liability, net of deferred income taxes	53	8
Other comprehensive income	5,069	3,394
Total comprehensive income	$ 6,930	$ 15,540