Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Mortgage And Other Notes Receivable (Schedule of Financing Receivables By Credit Quality Indicator) (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	$ 297,373,000
Financing Receivable, Allowance for Credit Loss	(4,946,000)	$ 0
Loans and Leases Receivable, Net Amount	292,427,000	$ 340,143,000
Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	259,491,000
Mortgages [Member] \| 2020 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	9,755,000
Mortgages [Member] \| 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	47,766,000
Mortgages [Member] \| 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	187,362,000
Mortgages [Member] \| 2016
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	10,000,000
Mortgages [Member] \| Prior to 2016
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	4,608,000
Mortgages [Member] \| EBITDARM Coverage above 1.5x
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	206,368,000
Mortgages [Member] \| EBITDARM Coverage above 1.5x \| 2020 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	5,755,000
Mortgages [Member] \| EBITDARM Coverage above 1.5x \| 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	8,643,000
Mortgages [Member] \| EBITDARM Coverage above 1.5x \| 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	187,362,000
Mortgages [Member] \| EBITDARM Coverage above 1.5x \| Prior to 2016
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	4,608,000
Mortgages [Member] \| EBITDARM Coverage, 1.0x to 1.5x
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	10,000,000
Mortgages [Member] \| EBITDARM Coverage, 1.0x to 1.5x \| 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	0
Mortgages [Member] \| EBITDARM Coverage, 1.0x to 1.5x \| 2016
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	10,000,000
Mortgages [Member] \| EBITDARM Coverage Below 1.0x
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	43,123,000
Mortgages [Member] \| EBITDARM Coverage Below 1.0x \| 2020 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	4,000,000
Mortgages [Member] \| EBITDARM Coverage Below 1.0x \| 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	39,123,000
Mortgages [Member] \| EBITDARM Coverage Below 1.0x \| 2017
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	0
Mezzanine
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	26,602,000
Mezzanine \| 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	750,000
Mezzanine \| 2016
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	14,485,000
Mezzanine \| Prior to 2016
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	11,367,000
Mezzanine \| EBITDARM Coverage, 1.0x to 1.5x \| 2016
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	0
Mezzanine \| EBITDARM Coverage Below 1.0x
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	25,852,000
Mezzanine \| EBITDARM Coverage Below 1.0x \| 2016
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	14,485,000
Mezzanine \| EBITDARM Coverage Below 1.0x \| Prior to 2016
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	11,367,000
Mezzanine \| EBITDARM Coverage Not Available
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	750,000
Mezzanine \| EBITDARM Coverage Not Available \| 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	750,000
Revolving Credit Facility
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	11,280,000
Revolving Credit Facility \| EBITDARM Coverage, 1.0x to 1.5x
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross	$ 11,280,000