Represents the additional maturity term of the debt instruments.

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- Definition

Debt Instrument, Fair Value Adjustment, Net

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- Definition

Represents the number of additional maturity terms of the debt instruments.

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No definition available.

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Mortgage Loan in Cash Trap Event--Mortgage loan failed to meet the DSCR threshold and was IN a cash trap event.

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Represents the number of assets encumbered.

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No definition available.

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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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Contractual interest rate for funds borrowed, under the debt agreement.

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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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No definition available.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt (Details)	1 Months Ended	3 Months Ended		6 Months Ended
Debt (Details)	Apr. 30, 2019 increment	Jun. 30, 2020 USD ($) loan asset	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) loan asset	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Debt
Number of Assets Encumbered \| asset		7		7
Long-term debt, gross		$ 710,539,000		$ 710,539,000		$ 714,568,000
Deferred financing costs, net		(743,000)		(743,000)		(841,000)
Debt, net		709,796,000		709,796,000		713,727,000
Interest expense		$ 7,800,000	$ 8,300,000	$ 15,800,000	$ 15,500,000
Mortgage Loan in Cash Trap Event \| loan		1		1
Senior Unsecured Notes
Debt
Debt Instrument, Redemption Price, Percentage		103.00%
Unsecured Debt \| 6.00% Percent, Due June 2025
Debt
Number of Assets Encumbered \| asset		0		0
Interest rate		6.00%		6.00%
Long-term debt, gross		$ 498,122,000		$ 498,122,000		500,484,000
Mortgage loans \| 4.95 Percent, Due October 2022
Debt
Number of Assets Encumbered \| asset		3		3
Interest rate		4.95%		4.95%
Long-term debt, gross		$ 88,038,000		$ 88,038,000		89,299,000
Mortgage loans \| 4.94 Percent, Due October 2022
Debt
Number of Assets Encumbered \| asset		1		1
Interest rate		4.94%		4.94%
Long-term debt, gross		$ 28,379,000		$ 28,379,000		28,785,000
Mortgage loans \| 2.59 Percent Due April 2024
Debt
Number of Assets Encumbered \| asset		3		3
Interest rate		1.76%		1.76%
Long-term debt, gross		$ 96,000,000		$ 96,000,000		96,000,000
Secured Debt \| 4.95 Percent, Due October 2022
Debt
Debt Instrument, Fair Value Adjustment, Net		1,100,000		1,100,000		1,400,000
Secured Debt \| 4.94 Percent, Due October 2022
Debt
Debt Instrument, Fair Value Adjustment, Net		400,000		400,000		400,000
Secured Debt \| LIBOR Plus 1.60%
Debt
Debt Instrument, Number of Additional Maturity Terms \| increment	2
Debt Instrument, Additional Maturity Term	1 year
Senior Unsecured Notes \| Unsecured Debt
Debt
Debt Instrument, Fair Value Adjustment, Net		$ 23,200,000		$ 23,200,000		$ 25,600,000