Consolidated Statements of Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net income	$ 18,010	$ 15,799	$ 35,516	$ 30,848
Other comprehensive (loss) income:
Changes in unrealized gains on debt securities available for sale	(9,154)	6,160	(42,000)	7,234
Deferred tax benefit (expense)	2,706	(2,590)	12,415	(3,042)
Changes in unrealized gains on debt securities available for sale, net of tax	(6,448)	3,570	(29,585)	4,192
Post-retirement benefit transition obligation amortization		15		30
Deferred tax expense		(6)		(12)
Post-retirement benefit transition obligation amortization, net of tax		9		18
Total other comprehensive (loss) income	(6,448)	3,579	(29,585)	4,210
Total comprehensive (loss) income	$ 11,562	$ 19,378	$ 5,931	$ 35,058

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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