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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	16. Subsequent Events In April 2018, the Company’s Board of Directors authorized a share repurchase program for us to repurchase up to $100 million of the Company’s common stock for a one-year duration from May 2018 through May 2019. Stock repurchases may be made from time-to-time and the timing of any repurchases and the actual number of shares repurchased will depend on a variety of factors. The Company may suspend, modify or terminate this repurchase program at any time without prior notice.