Condensed Consolidated Income Statements - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues:
Rental income	$ 44,123				$ 82,470
Rental income			$ 34,708			$ 68,524
Tenant reimbursements			3,016			5,984
Independent living facilities	887		845		1,747	1,644
Interest and other income	1,191		400		1,642	918
Total revenues	46,201		38,969		85,859	77,070
Expenses:
Depreciation and amortization	13,437		11,299		25,339	22,876
Interest expense	7,285		7,285		14,145	14,377
Property taxes	456		3,016		1,282	5,984
Independent living facilities	719		744		1,426	1,460
General and administrative	4,606		3,358		7,916	6,550
Total expenses	26,503		25,702		50,108	51,247
Other income:
Gain on sale of real estate	0		0		0	2,051
Net income	$ 19,698	$ 16,053	$ 13,267	$ 14,607	$ 35,751	$ 27,874
Earnings per common share:
Basic (in usd per share)	$ 0.21		$ 0.17		$ 0.39	$ 0.36
Diluted (in usd per share)	$ 0.21		$ 0.17		$ 0.39	$ 0.36
Weighted-average number of common shares:
Basic (in shares)	94,036		76,374		91,039	75,941
Diluted (in shares)	94,036		76,374		91,039	75,941