Equity - Noncontrolling Interest (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2020	Dec. 31, 2019
Noncontrolling interest
Gross Consolidated Assets		$ 1,524,785	$ 1,514,209
Non-controlling interests		8,426	$ 8,483
Investment Commitment		80,390
Partnership
Noncontrolling interest
Gross Consolidated Assets		81,325
Non-controlling interests		8,426
2019 Acquisitions | ALF
Noncontrolling interest
Purchase Price	$ 16,719
Virginia | 2019 Acquisitions | Partnership | ALF and MC
Noncontrolling interest
Gross Consolidated Assets		16,895
Non-controlling interests		919
Oregon | 2018 Acquisitions | Partnership | Properties under Development
Noncontrolling interest
Gross Consolidated Assets		16,341
Non-controlling interests		1,081
Oregon | 2018 Acquisitions | Partnership | ILF
Noncontrolling interest
Gross Consolidated Assets		14,400
Non-controlling interests		2,857
Wisconsin | 2017 Acquisitions | Partnership | Properties under Development
Noncontrolling interest
Gross Consolidated Assets		22,009
Non-controlling interests		2,305
South Carolina | 2017 Acquisitions | Partnership | ALF
Noncontrolling interest
Gross Consolidated Assets		11,680
Non-controlling interests		$ 1,264