WARRANTS	3 Months Ended
Mar. 31, 2019
Other Liabilities [Abstract]
WARRANTS	WARRANTS On October 7, 2016, the Company entered into a warrant agreement with its Chief Financial Officer, David R. O’Reilly, (the "O'Reilly Warrant") prior to his appointment to the position. Upon exercise of his warrant, Mr. O’Reilly may acquire 50,125 shares of common stock at an exercise price of $112.08 per share. The O'Reilly Warrant was issued at fair value in exchange for a $1.0 million payment in cash from Mr. O'Reilly. The O'Reilly Warrant becomes exercisable on April 6, 2022, subject to earlier exercise upon certain change in control, separation and termination provisions. On June 16, 2017 and October 4, 2017, the Company entered into warrant agreements with its Chief Executive Officer, David R. Weinreb, (the "Weinreb Warrant") and President, Grant Herlitz, (the "Herlitz Warrant") to acquire 1,965,409 shares and 87,951 shares of common stock for the purchase prices of $50.0 million and $2.0 million, respectively. The Weinreb Warrant becomes exercisable on June 15, 2022, at an exercise price of $124.64 per share, and the Herlitz Warrant becomes exercisable on October 3, 2022, at an exercise price of $117.01 per share, subject to earlier exercise upon certain change in control, separation and termination provisions. The purchase prices paid by the respective executives for the O’Reilly Warrant, the Weinreb Warrant and the Herlitz Warrant, which qualify as equity instruments, are included within Additional paid-in capital in the Condensed Consolidated Balance Sheets at March 31, 2019 and December 31, 2018.

WARRANTS

3 Months Ended

Mar. 31, 2019

On October 7, 2016, the Company entered into a warrant agreement with its Chief Financial Officer, David R. O’Reilly, (the "O'Reilly Warrant") prior to his appointment to the position. Upon exercise of his warrant, Mr. O’Reilly may acquire 50,125 shares of common stock at an exercise price of $112.08 per share. The O'Reilly Warrant was issued at fair value in exchange for a $1.0 million payment in cash from Mr. O'Reilly. The O'Reilly Warrant becomes exercisable on April 6, 2022, subject to earlier exercise upon certain change in control, separation and termination provisions. On June 16, 2017 and October 4, 2017, the Company entered into warrant agreements with its Chief Executive Officer, David R. Weinreb, (the "Weinreb Warrant") and President, Grant Herlitz, (the "Herlitz Warrant") to acquire 1,965,409 shares and 87,951 shares of common stock for the purchase prices of $50.0 million and $2.0 million, respectively. The Weinreb Warrant becomes exercisable on June 15, 2022, at an exercise price of $124.64 per share, and the Herlitz Warrant becomes exercisable on October 3, 2022, at an exercise price of $117.01 per share, subject to earlier exercise upon certain change in control, separation and termination provisions. The purchase prices paid by the respective executives for the O’Reilly Warrant, the Weinreb Warrant and the Herlitz Warrant, which qualify as equity instruments, are included within Additional paid-in capital in the Condensed Consolidated Balance Sheets at March 31, 2019 and December 31, 2018.