Unsecured Revolving Credit Facility	6 Months Ended
Jun. 30, 2018
Debt Disclosure [Abstract]
Unsecured Revolving Credit Facility	4. Unsecured Revolving Credit Facility On June 25, 2018, the Company entered into an agreement with a group of lenders for a senior unsecured revolving credit facility (the “Revolving Credit Facility”) in the maximum aggregate initial original principal amount of up to $300.0 million. Barclays Bank PLC, Citigroup Global Markets Inc. and Goldman Sachs Bank USA were joint lead arrangers of the Revolving Credit Facility, with Barclays Bank PLC acting as administrative agent. The Revolving Credit Facility has a term of four years with an extension option of up to 12-months exercisable by the Company, subject to certain conditions, and initially bears interest at an annual rate of applicable LIBOR, as defined therein, plus the applicable margin. The applicable LIBOR is the rate with a term equivalent to the interest period applicable to the relevant borrowing. The applicable margin is initially a spread set according to a leverage-based pricing grid. At the Company’s election, on and after receipt of an investment grade corporate credit rating from Standard & Poor’s (“S&P”) or Moody’s Investment Services, Inc. (“Moody’s”), the applicable margin will be a spread set according to the Company’s corporate credit ratings by S&P and/or Moody’s. The Revolving Credit Facility is freely pre-payable at any time and is mandatorily pre-payable if borrowings exceed the borrowing base or the facility limit. The Company may re-borrow amounts paid down, subject to customary borrowing conditions. The Company is required to pay revolving credit fees throughout the term of the Revolving Credit Facility based upon its usage of the Revolving Credit Facility, at a rate which depends on the Company’s usage of the Revolving Credit Facility during the period before it receives an investment grade corporate credit rating from S&P or Moody’s, and which rate shall be based on the corporate credit rating from S&P and/or Moody’s after the time, if applicable, it receives such a rating. The Revolving Credit Facility provides an accordion feature to increase, subject to certain conditions, the maximum availability of the Revolving Credit Facility by up to $200.0 million. During the three and six months ended June 30, 2018, the Company did not make any borrowings or repayments under the Revolving Credit Facility. As of June 30, 2018, the Company had no principal balance outstanding under the Revolving Credit Facility and deferred financing costs, net, of $3.5 million related to the Revolving Credit Facility were included within prepaid expenses and other assets, net on the Company’s consolidated balance sheets. During the three and six months ended June 30, 2018, the Company recorded approximately $13,000 of interest expense related to the Revolving Credit Facility. The Revolving Credit Facility requires the Company to meet certain financial covenants. The Company was in compliance with all financial covenants and was not in default of any other provisions under the Revolving Credit Facility as of June 30, 2018.

4. Unsecured Revolving Credit Facility

On June 25, 2018, the Company entered into an agreement with a group of lenders for a senior unsecured revolving credit facility (the “Revolving Credit Facility”) in the maximum aggregate initial original principal amount of up to $300.0 million. Barclays Bank PLC, Citigroup Global Markets Inc. and Goldman Sachs Bank USA were joint lead arrangers of the Revolving Credit Facility, with Barclays Bank PLC acting as administrative agent.

The Revolving Credit Facility has a term of four years with an extension option of up to 12-months exercisable by the Company, subject to certain conditions, and initially bears interest at an annual rate of applicable LIBOR, as defined therein, plus the applicable margin. The applicable LIBOR is the rate with a term equivalent to the interest period applicable to the relevant borrowing. The applicable margin is initially a spread set according to a leverage-based pricing grid. At the Company’s election, on and after receipt of an investment grade corporate credit rating from Standard & Poor’s (“S&P”) or Moody’s Investment Services, Inc. (“Moody’s”), the applicable margin will be a spread set according to the Company’s corporate credit ratings by S&P and/or Moody’s. The Revolving Credit Facility is freely pre-payable at any time and is mandatorily pre-payable if borrowings exceed the borrowing base or the facility limit. The Company may re-borrow amounts paid down, subject to customary borrowing conditions. The Company is required to pay revolving credit fees throughout the term of the Revolving Credit Facility based upon its usage of the Revolving Credit Facility, at a rate which depends on the Company’s usage of the Revolving Credit Facility during the period before it receives an investment grade corporate credit rating from S&P or Moody’s, and which rate shall be based on the corporate credit rating from S&P and/or Moody’s after the time, if applicable, it receives such a rating. The Revolving Credit Facility provides an accordion feature to increase, subject to certain conditions, the maximum availability of the Revolving Credit Facility by up to $200.0 million.

During the three and six months ended June 30, 2018, the Company did not make any borrowings or repayments under the Revolving Credit Facility. As of June 30, 2018, the Company had no principal balance outstanding under the Revolving Credit Facility and deferred financing costs, net, of $3.5 million related to the Revolving Credit Facility were included within prepaid expenses and other assets, net on the Company’s consolidated balance sheets.

During the three and six months ended June 30, 2018, the Company recorded approximately $13,000 of interest expense related to the Revolving Credit Facility.

The Revolving Credit Facility requires the Company to meet certain financial covenants. The Company was in compliance with all financial covenants and was not in default of any other provisions under the Revolving Credit Facility as of June 30, 2018.