Disclosure about Fair Value of Financial Instruments (Details 1) - USD ($) $ in Thousands		Mar. 31, 2016		Dec. 31, 2015
The Market approach utilized to measure fair value of financial assets and liabilities on recurring basis
Available-for-sale equity investments		$ 15,230	[1]	$ 22,779
Foreign currency forward contracts	[2]	97,854
Totals		227,565
Level 1 [Member]
The Market approach utilized to measure fair value of financial assets and liabilities on recurring basis
Available-for-sale equity investments	[1]	15,230
Totals		15,230
Level 2 [Member]
The Market approach utilized to measure fair value of financial assets and liabilities on recurring basis
Foreign currency forward contracts	[2]	97,854
Redeemable OP unitholder interests		114,481
Totals		$ 212,335

[1] (1) Unrealized gains or losses on equity investments are recorded in accumulated other comprehensive income (loss) at each measurement date. During the year ended December 31, 2015, we recognized an other than temporary impairment charge of $35,648,000 on the Genesis Healthcare stock investment. Also, see Note 11 for details related to the gain on the derivative asset originally recognized.

[2] (2) Please see Note 11 for additional information.