Equity	12 Months Ended
Dec. 31, 2016
Equity [Abstract]
Equity	EQUITY Common Stock Offerings of Common Stock - On August 18, 2015, the Company completed an underwritten public offering of 16.33 million newly issued shares of its common stock pursuant to an effective registration statement. The Company received net proceeds of $163.0 million from the offering, after giving effect to the issuance and sale of all 16.33 million shares of common stock (which included 2.13 million shares sold to the underwriters upon exercise of their option to purchase additional shares), at a price to the public of $10.50 per share. On March 28, 2016, the Company completed an underwritten public offering of 9.78 million newly issued shares of its common stock pursuant to an effective registration statement. The Company received net proceeds of $105.8 million from the offering, after giving effect to the issuance and sale of all 9.78 million shares of common stock (which included 1.28 million shares sold to the underwriters upon exercise of their option to purchase additional shares), at a price to the public of $11.35 per share. On November 18, 2016, the Company completed an underwritten public offering of 6.33 million newly issued shares of its common stock pursuant to an effective registration statement. The Company received net proceeds of $80.9 million from the offering, after giving effect to the issuance and sale of all 6.33 million shares of common stock (which included 0.83 million shares sold to the underwriters upon exercise of their option to purchase additional shares), at a price to the public of $13.35 per share. At-The-Market Offering of Common Stock - During 2016, the Company entered into an equity distribution agreement to issue and sell, from time to time, up to $125.0 million in aggregate offering price of its common stock through an "at-the-market" equity offering program (the "ATM Program"). For the year ended December 31, 2016, the Company sold 0.9 million shares of common stock at an average price of $15.31 per share for $14.1 million in gross proceeds. As of December 31, 2016, the Company had $111.1 million remaining availability under the ATM program. Special Dividend - In connection with the Company’s intention to qualify as a real estate investment trust in 2014, on October 17, 2014, the Company’s board of directors declared the Special Dividend of $132.0 million, or approximately $5.88 per common share, which represents the amount of accumulated E&P allocated to the Company as a result of the Spin-Off. The Special Dividend was paid on December 10, 2014, to stockholders of record as of October 31, 2014, in a combination of both cash and stock. The cash portion totaled $33.0 million and the stock portion totaled $99.0 million. The Company issued 8,974,249 shares of common stock in connection with the stock portion of the Special Dividend. Dividends on Common Stock — During the fourth quarter of 2014, the board of directors declared a quarterly cash dividend of $0.125 per share of common stock, payable on January 15, 2015 to common stockholders of record as of December 31, 2014. During the first quarter of 2015, the board of directors declared a quarterly cash dividend of $0.16 per share of common stock, payable on April 15, 2015 to common stockholders of record as of March 31, 2015. During the second quarter of 2015, the board of directors declared a quarterly cash dividend of $0.16 per share of common stock, payable on July 15, 2015 to common stockholders of record as of June 30, 2015. During the third quarter of 2015, the board of directors declared a quarterly cash dividend of $0.16 per share of common stock, payable on October 15, 2015 to common stockholders of record as of September 30, 2015. During the fourth quarter of 2015, the board of directors declared a quarterly cash dividend of $0.16 per share of common stock, payable on January 15, 2016 to common stockholders of record as of December 31, 2015. During the first quarter of 2016, the board of directors declared a quarterly cash dividend of $0.17 per share of common stock, payable on April 15, 2016 to common stockholders of record as of March 31, 2016. During the second quarter of 2016, the board of directors declared a quarterly cash dividend of $0.17 per share of common stock, payable on July 15, 2016 to common stockholders of record as of June 30, 2016. During the third quarter of 2016, the board of directors declared a quarterly cash dividend of $0.17 per share of common stock, payable on October 14, 2016 to common stockholders of record as of September 30, 2016. During the fourth quarter of 2016, the board of directors declared a quarterly cash dividend of $0.17 per share of common stock, payable on January 13, 2017 to common stockholders of record as of December 31, 2016.

Equity

12 Months Ended

Dec. 31, 2016

EQUITY

Common Stock

Offerings of Common Stock - On August 18, 2015, the Company completed an underwritten public offering of 16.33 million newly issued shares of its common stock pursuant to an effective registration statement. The Company received net proceeds of $163.0 million from the offering, after giving effect to the issuance and sale of all 16.33 million shares of common stock (which included 2.13 million shares sold to the underwriters upon exercise of their option to purchase additional shares), at a price to the public of $10.50 per share.

On March 28, 2016, the Company completed an underwritten public offering of 9.78 million newly issued shares of its common stock pursuant to an effective registration statement. The Company received net proceeds of $105.8 million from the offering, after giving effect to the issuance and sale of all 9.78 million shares of common stock (which included 1.28 million shares sold to the underwriters upon exercise of their option to purchase additional shares), at a price to the public of $11.35 per share.

On November 18, 2016, the Company completed an underwritten public offering of 6.33 million newly issued shares of its common stock pursuant to an effective registration statement. The Company received net proceeds of $80.9 million from the offering, after giving effect to the issuance and sale of all 6.33 million shares of common stock (which included 0.83 million shares sold to the underwriters upon exercise of their option to purchase additional shares), at a price to the public of $13.35 per share.

At-The-Market Offering of Common Stock - During 2016, the Company entered into an equity distribution agreement to issue and sell, from time to time, up to $125.0 million in aggregate offering price of its common stock through an "at-the-market" equity offering program (the "ATM Program"). For the year ended December 31, 2016, the Company sold 0.9 million shares of common stock at an average price of $15.31 per share for $14.1 million in gross proceeds. As of December 31, 2016, the Company had $111.1 million remaining availability under the ATM program.

Special Dividend - In connection with the Company’s intention to qualify as a real estate investment trust in 2014, on October 17, 2014, the Company’s board of directors declared the Special Dividend of $132.0 million, or approximately $5.88 per common share, which represents the amount of accumulated E&P allocated to the Company as a result of the Spin-Off. The Special Dividend was paid on December 10, 2014, to stockholders of record as of October 31, 2014, in a combination of both cash and stock. The cash portion totaled $33.0 million and the stock portion totaled $99.0 million. The Company issued 8,974,249 shares of common stock in connection with the stock portion of the Special Dividend.

Dividends on Common Stock — During the fourth quarter of 2014, the board of directors declared a quarterly cash dividend of $0.125 per share of common stock, payable on January 15, 2015 to common stockholders of record as of December 31, 2014.

During the first quarter of 2015, the board of directors declared a quarterly cash dividend of $0.16 per share of common stock, payable on April 15, 2015 to common stockholders of record as of March 31, 2015. During the second quarter of 2015, the board of directors declared a quarterly cash dividend of $0.16 per share of common stock, payable on July 15, 2015 to common stockholders of record as of June 30, 2015. During the third quarter of 2015, the board of directors declared a quarterly cash dividend of $0.16 per share of common stock, payable on October 15, 2015 to common stockholders of record as of September 30, 2015. During the fourth quarter of 2015, the board of directors declared a quarterly cash dividend of $0.16 per share of common stock, payable on January 15, 2016 to common stockholders of record as of December 31, 2015.

During the first quarter of 2016, the board of directors declared a quarterly cash dividend of $0.17 per share of common stock, payable on April 15, 2016 to common stockholders of record as of March 31, 2016. During the second quarter of 2016, the board of directors declared a quarterly cash dividend of $0.17 per share of common stock, payable on July 15, 2016 to common stockholders of record as of June 30, 2016. During the third quarter of 2016, the board of directors declared a quarterly cash dividend of $0.17 per share of common stock, payable on October 14, 2016 to common stockholders of record as of September 30, 2016. During the fourth quarter of 2016, the board of directors declared a quarterly cash dividend of $0.17 per share of common stock, payable on January 13, 2017 to common stockholders of record as of December 31, 2016.