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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net income	$ 56,150	$ 55,435	$ 189,764	$ 133,179
Unrealized holding gains (losses) arising during period	27,168	(17,036)	174,483	(103,389)
Amounts reclassified into net income: Held-to-maturity securities	(2)	(6)	(26)	(22)
Amounts reclassified into net income: Realized losses on disposals and OTTI of available-for-sale securities	2,229	8,563	351	14,424
Total unrealized gains (losses) on investment securities	29,395	(8,479)	174,808	(88,987)
Amount reclassified into net income: Net actuarial loss	525	420	1,574	1,260
Total defined benefit pension and post-retirement plans	525	420	1,574	1,260
Other comprehensive income (loss)	29,920	(8,059)	176,382	(87,727)
Comprehensive income	$ 86,070	$ 47,376	$ 366,146	$ 45,452

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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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