Credit Concentration Credit Concentration (Details) - Sales Revenue, Services, Net [Member]	1 Months Ended
	Sep. 30, 2016 USD ($) Rate
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 203,067,000
Percent of ABR (Annualized Base Rent) | Rate	100.00%
Customer Concentration Risk [Member] | CHI - KentuckyOne Health [Member]
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 12,805,000
Percent of ABR (Annualized Base Rent) | Rate	6.31%
Customer Concentration Risk [Member] | CHI - Nebraska [Member]
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 9,275,000
Percent of ABR (Annualized Base Rent) | Rate	4.57%
Customer Concentration Risk [Member] | CHI - Franciscan (Seattle-Tacoma) [Member]
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 5,420,000
Percent of ABR (Annualized Base Rent) | Rate	2.67%
Customer Concentration Risk [Member] | CHI - St. Alexius (North Dakota) [Member]
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 5,278,000
Percent of ABR (Annualized Base Rent) | Rate	2.60%
Customer Concentration Risk [Member] | Great Falls Hospital [Member]
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 5,145,000
Percent of ABR (Annualized Base Rent) | Rate	2.53%
Customer Concentration Risk [Member] | Remaining Portfolio [Member]
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 165,144,000
Percent of ABR (Annualized Base Rent) | Rate	81.32%
Customer Concentration Risk [Member] | Top five tenant relationships [Member]
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 0.1868
Customer Concentration Risk [Member] | CHI Portfolio
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	0.1889
Geographic Concentration Risk [Member] | Texas
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 24,763,000
Percent of ABR (Annualized Base Rent) | Rate	12.19%
Geographic Concentration Risk [Member] | Kentucky
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 15,555,000
Percent of ABR (Annualized Base Rent) | Rate	7.66%
Geographic Concentration Risk [Member] | Indiana
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 12,813,000
Percent of ABR (Annualized Base Rent) | Rate	6.31%
Geographic Concentration Risk [Member] | Arizona
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 12,444,000
Percent of ABR (Annualized Base Rent) | Rate	6.13%
Geographic Concentration Risk [Member] | Washington
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 12,193,000
Percent of ABR (Annualized Base Rent) | Rate	6.00%
Geographic Concentration Risk [Member] | Other
Concentration Risk [Line Items]
Total ABR (Annualized Base Rent)	$ 125,299,000
Percent of ABR (Annualized Base Rent) | Rate	61.71%