UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 35,239	$ 11,500
Other comprehensive income:
Unrealized gains on marketable securities, net of tax	20	234
Comprehensive income	$ 35,259	$ 11,734

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

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