Investments in Available for Sale Securities	3 Months Ended
Mar. 31, 2017
Unrealized Gain (Loss) on Investments [Abstract]
Investments in Available for Sale Securities	Investments in Available for Sale Securities At March 31, 2017, we owned 2,637,408 shares of class A common stock of The RMR Group Inc., or RMR Inc. We classify these shares as available for sale securities and carry them at fair value in other assets in our condensed consolidated balance sheets, with unrealized gains and losses reported as a component of shareholders’ equity. Our historical cost basis for these shares is $69,826. At March 31, 2017, our investment in RMR Inc. had a fair value of $130,552, resulting in a cumulative unrealized gain of $60,726 based on RMR Inc.’s quoted share price at March 31, 2017 ($49.50 per share). At March 31, 2017, we owned 4,235,000 common shares of Five Star Senior Living Inc., or Five Star. We classify these shares as available for sale securities and carry them at fair value in other assets in our condensed consolidated balance sheets, with unrealized gains and losses reported as a component of shareholders’ equity. Our adjusted cost basis for these shares is $11,435. At March 31, 2017, our investment in Five Star had a fair value of $9,105, resulting in a cumulative unrealized loss of $2,330 based on Five Star’s quoted share price at March 31, 2017 ($2.15 per share). We evaluated the decline in the fair value of the Five Star shares and determined that based on the severity and duration of the decline, and our ability and intent to hold these shares for a reasonable period of time sufficient for a recovery of fair value, we do not consider this investment to be other-than-temporarily impaired at March 31, 2017. See Notes 6 and 12 below for further information regarding our investments in available for sale securities.

Investments in Available for Sale Securities

At March 31, 2017, we owned 2,637,408 shares of class A common stock of The RMR Group Inc., or RMR Inc. We classify these shares as available for sale securities and carry them at fair value in other assets in our condensed consolidated balance sheets, with unrealized gains and losses reported as a component of shareholders’ equity. Our historical cost basis for these shares is $69,826. At March 31, 2017, our investment in RMR Inc. had a fair value of $130,552, resulting in a cumulative unrealized gain of $60,726 based on RMR Inc.’s quoted share price at March 31, 2017 ($49.50 per share).

At March 31, 2017, we owned 4,235,000 common shares of Five Star Senior Living Inc., or Five Star. We classify these shares as available for sale securities and carry them at fair value in other assets in our condensed consolidated balance sheets, with unrealized gains and losses reported as a component of shareholders’ equity. Our adjusted cost basis for these shares is $11,435. At March 31, 2017, our investment in Five Star had a fair value of $9,105, resulting in a cumulative unrealized loss of $2,330 based on Five Star’s quoted share price at March 31, 2017 ($2.15 per share). We evaluated the decline in the fair value of the Five Star shares and determined that based on the severity and duration of the decline, and our ability and intent to hold these shares for a reasonable period of time sufficient for a recovery of fair value, we do not consider this investment to be other-than-temporarily impaired at March 31, 2017.

See Notes 6 and 12 below for further information regarding our investments in available for sale securities.