Financing Activity - Timing of Principal Payments and Terms of Mortgage Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Total
Carrying value of mortgage notes payable	$ 749,396	$ 851,283
Mortgage Loan
Total
Less: Unamortized debt issuance costs	2,100	$ 1,200
Mortgage Loan \| Consolidated Properties
Principal Amortization
2023	8,537
2024	6,405
2025	4,406
2027 and thereafter	0
Total principal payments	19,348
Balloon Payments
2023	401,124
2024	119,643
2025	211,346
2027 and thereafter	0
Total principal payments	732,113
Total
2023	409,661
2024	126,048
2025	215,752
2027 and thereafter	0
Total principal payments	751,461
Less: Unamortized debt issuance costs	2,065
Carrying value of mortgage notes payable	$ 749,396

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Long term debt maturities repayments of principal in after year four.

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Long-term Debt, Balloon Payment Maturities, Repayments of Principal in Next Twelve Months

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Long-term Debt, Balloon Payment Maturities, Repayments of Principal in Year Three

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Long-term Debt, Balloon Payment Maturities, Repayments of Principal in Year Two

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Long-term Debt, Balloon Payments, Fiscal Year Maturity [Abstract]

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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