Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017
Other comprehensive (loss) income, net of tax:
Investment securities available-for-sale	$ 88,625	$ (43,427)	$ (7,590)
Total defined benefit pension and postretirement benefit plans	5,826	(1,397)	4,135
Other comprehensive (loss) income, net of tax	94,580	(39,121)	1,110
Comprehensive income	$ 477,303	$ 321,297	$ 256,549

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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