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
Consolidated Statements of Comprehensive Income
Net income	$ 69,053	$ 56,895	$ 137,011	$ 113,635
Other comprehensive (loss) income, net of tax:
Net unrealized (losses) gains on investment securities	(18,039)	18,885	(66,816)	19,842
Net unrealized gains on cash flow derivative hedges	313	156	857	518
Other comprehensive (loss) income	(17,726)	19,041	(65,959)	20,360
Total comprehensive income	$ 51,327	$ 75,936	$ 71,052	$ 133,995

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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