Other Real Estate Investments	12 Months Ended
Dec. 31, 2017
Real Estate [Abstract]
Other Real Estate Investments	OTHER REAL ESTATE INVESTMENTS In December 2014, the Company completed a $7.5 million preferred equity investment with Signature Senior Living, LLC and Milestone Retirement Communities. The preferred equity investment yielded 12.0% calculated on a quarterly basis on the outstanding carrying value of the investment. The investment was used to develop Signature Senior Living at Arvada, a planned 134-unit upscale assisted living and memory care community in Arvada, Colorado constructed on a five-acre site. In connection with its investment, CareTrust REIT obtained an option to purchase the Arvada development at a fixed-formula price upon stabilization, with an initial lease yield of at least 8.0%. The project was completed in the second quarter of 2016 and began lease-up in the third quarter of 2016. In May 2017, the property was sold to a third party. In connection with the sale, the Company received back in cash its initial investment of $7.5 million, a cumulative contractual preferred return of $2.5 million, and an additional cash payment of $3.5 million, which the Company recognized as a gain on the sale of other real estate investment during the year ended December 31, 2017. The Company also recognized interest income of $1.0 million during the year ended December 31, 2017, which included a previously unrecognized preferred return of $0.5 million related to prior periods. In July 2016, the Company completed a $2.2 million preferred equity investment with an affiliate of Cascadia Development, LLC. The preferred equity investment yields a return equal to prime plus 9.5% but in no event less than 12.0% calculated on a quarterly basis on the outstanding carrying value of the investment. The investment is being used to develop a 99-bed skilled nursing facility in Nampa, Idaho. In connection with its investment, CareTrust REIT obtained an option to purchase the development at a fixed-formula price upon stabilization, with an initial lease yield of at least 9.0%. The project is expected to be completed during the first quarter of 2018. In September 2016, the Company completed a $2.3 million preferred equity investment with an affiliate of Cascadia Development, LLC. The preferred equity investment yields a return equal to prime plus 9.5% but in no event less than 12.0% calculated on a quarterly basis on the outstanding carrying value of the investment. The investment is being used to develop a 99-bed skilled nursing facility in Boise, Idaho. In connection with its investment, CareTrust REIT obtained an option to purchase the development at a fixed-formula price upon stabilization, with an initial lease yield of at least 9.0%. The project is expected to be completed by early 2018. During the years ended December 31, 2017, 2016 and 2015, the Company recognized $1.7 million, $0.7 million and $0.9 million, respectively, of interest income related to these preferred equity investments of which the portion of these amounts were added to the outstanding carrying values. In October 2017, the Company provided the Providence Group a mortgage loan secured by a skilled nursing facility for approximately $12.5 million inclusive of transaction costs, which bears a fixed interest rate of 9%. The mortgage loan requires Providence Group to make monthly principal and interest payments and is set to mature on October 26, 2020. During the year ended December 31, 2017, the Company recognized $0.2 million of interest income related to the mortgage loan.

OTHER REAL ESTATE INVESTMENTS

In December 2014, the Company completed a $7.5 million preferred equity investment with Signature Senior Living, LLC and Milestone Retirement Communities. The preferred equity investment yielded 12.0% calculated on a quarterly basis on the outstanding carrying value of the investment. The investment was used to develop Signature Senior Living at Arvada, a planned 134-unit upscale assisted living and memory care community in Arvada, Colorado constructed on a five-acre site. In connection with its investment, CareTrust REIT obtained an option to purchase the Arvada development at a fixed-formula price upon stabilization, with an initial lease yield of at least 8.0%. The project was completed in the second quarter of 2016 and began lease-up in the third quarter of 2016. In May 2017, the property was sold to a third party. In connection with the sale, the Company received back in cash its initial investment of $7.5 million, a cumulative contractual preferred return of $2.5 million, and an additional cash payment of $3.5 million, which the Company recognized as a gain on the sale of other real estate investment during the year ended December 31, 2017. The Company also recognized interest income of $1.0 million during the year ended December 31, 2017, which included a previously unrecognized preferred return of $0.5 million related to prior periods.

In July 2016, the Company completed a $2.2 million preferred equity investment with an affiliate of Cascadia Development, LLC. The preferred equity investment yields a return equal to prime plus 9.5% but in no event less than 12.0% calculated on a quarterly basis on the outstanding carrying value of the investment. The investment is being used to develop a 99-bed skilled nursing facility in Nampa, Idaho. In connection with its investment, CareTrust REIT obtained an option to purchase the development at a fixed-formula price upon stabilization, with an initial lease yield of at least 9.0%. The project is expected to be completed during the first quarter of 2018.

In September 2016, the Company completed a $2.3 million preferred equity investment with an affiliate of Cascadia Development, LLC. The preferred equity investment yields a return equal to prime plus 9.5% but in no event less than 12.0% calculated on a quarterly basis on the outstanding carrying value of the investment. The investment is being used to develop a 99-bed skilled nursing facility in Boise, Idaho. In connection with its investment, CareTrust REIT obtained an option to purchase the development at a fixed-formula price upon stabilization, with an initial lease yield of at least 9.0%. The project is expected to be completed by early 2018.

During the years ended December 31, 2017, 2016 and 2015, the Company recognized $1.7 million, $0.7 million and $0.9 million, respectively, of interest income related to these preferred equity investments of which the portion of these amounts were added to the outstanding carrying values.

In October 2017, the Company provided the Providence Group a mortgage loan secured by a skilled nursing facility for approximately $12.5 million inclusive of transaction costs, which bears a fixed interest rate of 9%. The mortgage loan requires Providence Group to make monthly principal and interest payments and is set to mature on October 26, 2020. During the year ended December 31, 2017, the Company recognized $0.2 million of interest income related to the mortgage loan.