XML 39 R23.htm IDEA: XBRL DOCUMENT

SUBSEQUENT EVENT	12 Months Ended
SUBSEQUENT EVENT	Dec. 31, 2018
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event Sale of Common Stock In January 2019, the Company sold 1,854,838 shares of its common stock at a public offering price of $62.00 per share. After deducting underwriter discounts, commissions and offering expenses, the Company received net proceeds from the transaction of $107.9 million.