Subsequent Events	3 Months Ended
Mar. 31, 2017
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On April 12, 2017, the Company repaid in full the $275.0 million principal amount of 9.00% senior unsecured notes due June 2017 at par. In connection with the repayment prior to maturity, the Company paid a $2.75 million make whole premium. On April 14, 2017, two institutional investors acquired, through a merger and related transactions, a 51% interest in the Company's ground net lease business, a component of the Company's net lease segment, consisting of 12 properties subject to long-term net leases including seven ground net leases and one master lease (covering five properties). The Company will deconsolidate the 12 properties and own a 49% noncontrolling interest in the new entity and account for its investment in the new entity as an equity method investment. The Company received total consideration of $340.0 million, including the venture's assumption of the $227.0 million 2017 Secured Financing. The Company had a carrying value of approximately $156.0 million in the 12 properties and will recognize an approximate gain of $178.0 million in connection with the sale. The new entity, named Safety, Income and Growth, Inc., has filed a registration statement on Form S-11 for a possible initial public offering ("IPO") and the Company has committed to pay up to $25.0 million in offering costs in connection with an IPO. On April 21, 2017, the Company and Lennar completed settlement of transfer of the land, pursuant to which we conveyed the land to Lennar and received net proceeds of $231.1 million after payment of $6.3 million in documentary transfer taxes, subject to certain holdbacks and subject also to final resolution of the amount of post-judgment interest owed by Lennar, consisting of $114.0 million of sales proceeds, $121.8 million of interest and $1.6 million of real estate tax reimbursements. The amount of attorneys’ fees and costs to be recovered by the Company will be determined through further proceedings before the District Court. A portion of the net proceeds received by the Company has been paid to the third party which holds a 4.3% participation interest in all proceeds received by the Company.

Subsequent Events

On April 12, 2017, the Company repaid in full the $275.0 million principal amount of 9.00% senior unsecured notes due June 2017 at par. In connection with the repayment prior to maturity, the Company paid a $2.75 million make whole premium.

On April 14, 2017, two institutional investors acquired, through a merger and related transactions, a 51% interest in the Company's ground net lease business, a component of the Company's net lease segment, consisting of 12 properties subject to long-term net leases including seven ground net leases and one master lease (covering five properties). The Company will deconsolidate the 12 properties and own a 49% noncontrolling interest in the new entity and account for its investment in the new entity as an equity method investment. The Company received total consideration of $340.0 million, including the venture's assumption of the $227.0 million 2017 Secured Financing. The Company had a carrying value of approximately $156.0 million in the 12 properties and will recognize an approximate gain of $178.0 million in connection with the sale. The new entity, named Safety, Income and Growth, Inc., has filed a registration statement on Form S-11 for a possible initial public offering ("IPO") and the Company has committed to pay up to $25.0 million in offering costs in connection with an IPO.

On April 21, 2017, the Company and Lennar completed settlement of transfer of the land, pursuant to which we conveyed the land to Lennar and received net proceeds of $231.1 million after payment of $6.3 million in documentary transfer taxes, subject to certain holdbacks and subject also to final resolution of the amount of post-judgment interest owed by Lennar, consisting of $114.0 million of sales proceeds, $121.8 million of interest and $1.6 million of real estate tax reimbursements. The amount of attorneys’ fees and costs to be recovered by the Company will be determined through further proceedings before the District Court. A portion of the net proceeds received by the Company has been paid to the third party which holds a 4.3% participation interest in all proceeds received by the Company.