Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Real Estate- Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
Real Estate- Narrative (Details) - USD ($) $ in Thousands	May 26, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Real Estate Properties [Line Items]
Real estate properties		$ 173,184		$ 173,184		$ 191,029
Real estate properties, net of accumulated depreciation		140,991		140,991		$ 160,192
Gain on sale of real estate		$ 7,279	$ 0	$ 7,279	$ 0
Kendall Manor Houston Texas
Real Estate Properties [Line Items]
Real estate properties	$ 16,842,000
Real estate properties, net of accumulated depreciation	24,500,000
Gain on sale of real estate	7,279,000
Outstanding principal balance	$ 14,260,000