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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2019
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Subsequent to September 30, 2019, we repurchased approximately 5.9 million shares of our common stock for an aggregate purchase price of approximately $26.4 million under our previously announced $50 million share repurchase program. Those subsequent activities included a 4,054,250 share block we repurchased for approximately $18.6 million on November 5, 2019 from an institutional investor in a transaction the seller initiated. Prior to that transaction, the seller had beneficially owned more than 5% of our outstanding common stock.