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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net income	$ 48,484	$ 38,945	$ 93,935	$ 80,344
Other comprehensive income (loss), net of tax:
Fair value adjustments to available-for-sale securities, net of tax	(12)	(306)	453	(1,270)
Comprehensive income	$ 48,472	$ 38,639	$ 94,388	$ 79,074

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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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