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The amount of gains (losses) on liquidation of unconsolidated joint venture.

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Investment in Unconsolidated Joint Ventures - Investment (Details)	3 Months Ended	6 Months Ended		12 Months Ended
	Dec. 31, 2020 USD ($) item property	Jun. 30, 2021 USD ($) property item	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) item property
Investment in Unconsolidated Joint Ventures
Carrying Value	$ 11,340,000	$ 19,340,000		$ 11,340,000
Income Recognized		$ 665,000	$ 231,000
Cash Interest Received			231,000
Liquidation proceeds			17,464,000
Joint Venture
Investment in Unconsolidated Joint Ventures
Number of properties owned by joint venture for sale \| property	4			4
Liquidation proceeds				$ 17,848,000
Amount of gains (losses) on liquidation	$ 138,000		(620,000)
Joint Venture \| Preferred Equity Investment \| Arizona
Investment in Unconsolidated Joint Ventures
Number of properties owned by joint venture \| property		4
Joint Venture \| Not primary beneficiary
Investment in Unconsolidated Joint Ventures
Capital Contributions		$ 8,000,000	58,000
Income Recognized		665,000	231,000
Cash Interest Received		540,000	231,000
Preferred Equity Investment \| Joint Venture \| Not primary beneficiary
Investment in Unconsolidated Joint Ventures
Carrying Value		19,340,000
Combination ALF, MC, ILF \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary
Investment in Unconsolidated Joint Ventures
Capital Contributions			58,000
Income Recognized			231,000
Cash Interest Received			$ 231,000
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary
Investment in Unconsolidated Joint Ventures
Number of beds/units \| item	95			95
Capital Contributions				$ 6,340,000
Income Recognized		225,000
Cash Interest Received		$ 187,000
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington
Investment in Unconsolidated Joint Ventures
Preferred return percentage		12.00%
Contractual cash portion		7.00%
Number of beds/units \| item		95
Carrying Value		$ 6,340,000
Reserve withheld		$ 1,425,000
Percentage of Investment		15.50%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington \| Internal Rate of Return is Until Eight Percent
Investment in Unconsolidated Joint Ventures
Percentage of cash return		8.00%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington \| Internal Rate of Return is Until Eight Percent \| Minimum
Investment in Unconsolidated Joint Ventures
Percentage of cash return		7.00%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington \| Internal Rate of Return is Until Eight Percent \| Maximum
Investment in Unconsolidated Joint Ventures
Percentage of cash return		9.00%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington \| The Internal Rate of Return is Between Twelve and Fourteen Percent \| Minimum
Investment in Unconsolidated Joint Ventures
Percentage of cash return		12.00%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington \| The Internal Rate of Return is Between Twelve and Fourteen Percent \| Maximum
Investment in Unconsolidated Joint Ventures
Percentage of cash return		14.00%
Combination ILF/ALF \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary
Investment in Unconsolidated Joint Ventures
Capital Contributions		$ 8,000,000
Income Recognized		440,000
Cash Interest Received		$ 353,000
Combination ILF/ALF \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington
Investment in Unconsolidated Joint Ventures
Preferred return percentage		12.00%
Contractual cash portion		8.00%
Number of beds/units \| item		267
Carrying Value		$ 13,000,000
Reserve withheld		$ 3,777,000
Percentage of Investment		11.60%
Additional preferred capital contributions in joint venture committed		$ 8,000,000
Amount of joint venture investment		$ 13,000,000
Combination ILF/ALF \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington \| Internal Rate of Return is Until Eight Percent
Investment in Unconsolidated Joint Ventures
Percentage of cash return		8.00%
Combination ILF/ALF \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington \| The Internal Rate of Return is Between Twelve and Fourteen Percent \| Minimum
Investment in Unconsolidated Joint Ventures
Percentage of Investment		12.00%
Combination ILF/ALF \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington \| The Internal Rate of Return is Between Twelve and Fourteen Percent \| Maximum
Investment in Unconsolidated Joint Ventures
Percentage of Investment		14.00%