Mortgage Notes Payable, Credit Facilities and Senior Notes - Combined Aggregate Principal Maturities of Mortgage Notes Payable (Details) - Mortgage Notes Payable $ in Thousands	Dec. 31, 2019 USD ($)
Principal Repayments
2020	$ 0
2021	0
2022	23,129
2023	0
2024	26,000
Thereafter	32,787
Term loan	81,916
Scheduled Amortization
2020	577
2021	717
2022	1,003
2023	686
2024	708
Thereafter	550
Total	4,241
Mortgage Premium
2020	481
2021	481
2022	344
2023	216
2024	72
Thereafter	0
Total	1,594
Total
2020	1,058
2021	1,198
2022	24,476
2023	902
2024	26,780
Thereafter	33,337
Total mortgage notes payable	$ 87,751

Long-term Debt, Fiscal Year Maturity, Total [Abstract]

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Long-term Debt, Mortgage Premium [Abstract]

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Long-term Debt, Scheduled Amortization [Abstract]

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The total amount of mortgage notes payable after year five.

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The amount of premium on mortgage notes payable after year five.

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The amount of premium on mortgage notes payable in year five.

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The amount of amortized premium on mortgage notes payable in year four.

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The amount of amortized premium on mortgage notes payable in year three.

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The amount of amortized premium on mortgage notes payable in year two.

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The amount of amortized premium on mortgage notes payable for the next twelve months.

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The total amount of mortgage notes payable in year five.

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The total amount of mortgage notes payable in year four.

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The total amount of mortgage notes payable in year three.

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The total amount of mortgage notes payable in year two.

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The total amount of mortgage notes payable for the next twelve months.

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The amount of total scheduled amortization on mortgage notes payable.

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The amount of scheduled amortization on mortgage notes payable after year five.

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The amount of scheduled amortization on mortgage notes payable in year five.

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The amount of scheduled amortization on mortgage notes payable in year four.

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The amount of scheduled amortization on mortgage notes payable in year three.

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The amount of scheduled amortization on mortgage notes payable in year two.

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The amount of scheduled amortization on mortgage notes payable for the next twelve months.

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Amount, after accumulated amortization, of debt premium.

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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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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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