CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 46,845	$ 64,043
Other comprehensive income
Unrealized holding gain, net of tax	4,157	1,166
Comprehensive income	$ 51,002	$ 65,209

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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