Stockholders' Equity	3 Months Ended
Mar. 31, 2017
Equity [Abstract]
Stockholders' Equity	Stockholders’ Equity Stock Repurchase Program During the three months ended March 31, 2017 and 2016, the Company repurchased 2,044,981 and 995,650 shares, respectively, of its common stock at an average purchase price of $16.70 and $14.88, per share, respectively, for an aggregate purchase price of $34.2 million and $14.8 million, respectively, pursuant to its stock repurchase program (the “Stock Repurchase Program”). As of March 31, 2017, the Company had a total authority of $156.8 million available for purchase of shares of its common stock pursuant to its Stock Repurchase Program. The Company may repurchase its common stock in open market purchases from time to time, in privately negotiated transactions or otherwise, pursuant to Rule 10b-18 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The timing and amount of any additional shares to be repurchased will depend upon a variety of factors, including market and business conditions and other factors. Repurchases may be commenced or suspended at any time or from time to time without prior notice. The Stock Repurchase Program will continue until otherwise modified or terminated by the Company’s Board of Directors at any time in its sole discretion. During the period from April 1, 2017 through May 1, 2017, the Company purchased an additional 327,963 shares for an aggregate purchase price of $5.6 million. Issuance of Common Stock for Director’s Fees On May 17, 2016, the Board approved the issuance of 8,919 restricted stock awards to three members of the Board of Directors as part of their compensation package and pursuant to the 2015 Performance and Equity Incentive Plan. These restricted stock awards vested 25% on the date of issue and 25% on August 17, 2016, November 17, 2016 and February 17, 2017. For the three months ended March 31, 2017, the Company recorded expense of less than $0.1 million, related to restricted stock awards to the Company’s directors.

Stockholders’ Equity

Stock Repurchase Program

During the three months ended March 31, 2017 and 2016, the Company repurchased 2,044,981 and 995,650 shares, respectively, of its common stock at an average purchase price of $16.70 and $14.88, per share, respectively, for an aggregate purchase price of $34.2 million and $14.8 million, respectively, pursuant to its stock repurchase program (the “Stock Repurchase Program”). As of March 31, 2017, the Company had a total authority of $156.8 million available for purchase of shares of its common stock pursuant to its Stock Repurchase Program. The Company may repurchase its common stock in open market purchases from time to time, in privately negotiated transactions or otherwise, pursuant to Rule 10b-18 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The timing and amount of any additional shares to be repurchased will depend upon a variety of factors, including market and business conditions and other factors. Repurchases may be commenced or suspended at any time or from time to time without prior notice. The Stock Repurchase Program will continue until otherwise modified or terminated by the Company’s Board of Directors at any time in its sole discretion. During the period from April 1, 2017 through May 1, 2017, the Company purchased an additional 327,963 shares for an aggregate purchase price of $5.6 million.

Issuance of Common Stock for Director’s Fees

On May 17, 2016, the Board approved the issuance of 8,919 restricted stock awards to three members of the Board of Directors as part of their compensation package and pursuant to the 2015 Performance and Equity Incentive Plan. These restricted stock awards vested 25% on the date of issue and 25% on August 17, 2016, November 17, 2016 and February 17, 2017. For the three months ended March 31, 2017, the Company recorded expense of less than $0.1 million, related to restricted stock awards to the Company’s directors.