Summary of Significant Accounting Policies - Noncontrolling Interests (Details) $ / shares in Units, $ in Thousands						3 Months Ended	6 Months Ended
	Jun. 19, 2019 USD ($) shares	May 06, 2019 USD ($)	Apr. 04, 2019 USD ($) shares	Jan. 09, 2018 shares	Feb. 05, 2015 $ / shares	Jun. 30, 2019 USD ($) shares	Jun. 30, 2019 USD ($) shares	Jan. 09, 2019 USD ($)	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Number of units issued for funding purchase price (in shares) | shares				104,172
Consideration transferred						$ 33,348
Unit conversion ratio							1
Embedded derivative						4,125	$ 4,125		$ 3,673
Doctors United ASC
Business Acquisition [Line Items]
Number of units issued for funding purchase price (in shares) | shares			346,989
Business acquisition, equity interest issued or issuable, value assigned			$ 6,500
Consideration transferred			$ 14,812
NCI Buyout - MN Portfolio
Business Acquisition [Line Items]
Consideration transferred		$ 540					$ 500
HealthEast Clinic & Specialty Center
Business Acquisition [Line Items]
Number of units issued for funding purchase price (in shares) | shares							112,701
Business acquisition, equity interest issued or issuable, value assigned								$ 22,700
Embedded derivative						$ 4,100	$ 4,100
Earn-out Investments
Business Acquisition [Line Items]
Number of units issued for funding purchase price (in shares) | shares	8,529					8,529
Business acquisition, equity interest issued or issuable, value assigned	$ 1,900					$ 1,900	1,900
Consideration transferred						$ 2,468	$ 2,500
Series A Preferred Units
Business Acquisition [Line Items]
Cumulative preferred return					5.00%
Redeemable noncontrolling interest, equity, preferred, redemption shares in exchange					1
Redemption value (in dollars per share) | $ / shares					$ 200
Period in which preferred units will be redeemable					1 year
Physicians Realty Trust
Business Acquisition [Line Items]
Percentage of interest held							97.10%