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Consolidated Statements of Operations and Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Change in net unrealized gain (loss) on securities available for sale, tax	$ (12,868)	$ 24,607
Change in the non-credit portion of OTTI losses recognized in other comprehensive income (loss), tax	0	(821)
Change in pension and post-retirement obligations, tax	(711)	$ 10,517
Reclassification adjustment for sales of available-for-sale securities, tax	$ 1,517

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Tax effect on the non-credit portion of other-than-temporary impairment.

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Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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