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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net income	$ 58,819	$ 41,426	$ 77,744	$ 91,866
Unrealized holding (losses) gains arising during period	(18,955)	23,326	(86,353)	40,087
Non-credit portion of other-than-temporary impairments recognized in other comprehensive income	0	4	0	4
Amounts reclassified into net income: Held-to-maturity securities	(6)	(28)	(16)	(60)
Amounts reclassified into net income: Realized losses (gains) on disposals of available-for-sale securities	2,267	(1,225)	5,861	(244)
Total unrealized (losses) gains on investment securities	(16,694)	22,077	(80,508)	39,787
Amount reclassified into net income: Net actuarial loss	420	330	840	660
Total defined benefit pension and post-retirement plans	(420)	(330)	(840)	(660)
Other comprehensive (loss) income	(16,274)	22,407	(79,668)	40,447
Comprehensive income (loss)	$ 42,545	$ 63,833	$ (1,924)	$ 132,313

X

- Definition

Net of tax amount of the reclassification adjustment related to held-to-maturity securities transferred from the available-for-sale category. This amount includes amortization and amounts realized from the disposal of these securities.

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