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Consolidation Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net income	$ 158,495	$ 165,861	$ 141,827
Unrealized holding (losses) gains arising during year	(5,977)	(26,143)	47,411
Non-credit portion of other-than-temporary impairments recognized in other comprehensive income	(6)	0	0
Amounts reclassified into net income: Held-to-maturity securities	(92)	(377)	(844)
Amounts reclassified into net income: Non-credit other-than-temporary impairment	138	232	1,085
Amounts reclassified into net income: Realized losses (gains) on available for sale securities	3,064	(9,110)	(18,762)
Total unrealized (losses) gains on investment securities	(2,873)	(35,398)	28,890
Net actuarial (loss) gain	(7,852)	1,585	(35,189)
Amounts reclassified into net income: Net actuarial loss	4,200	4,600	1,236
Total defined benefit pension and post-retirement plans	(3,652)	6,185	(33,953)
Other comprehensive loss	(6,525)	(29,213)	(5,063)
Comprehensive income	$ 151,970	$ 136,648	$ 136,764

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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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