Loans and Mortgages Payable - Summary of Mortgages Payable (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Total mortgages before unamortized debt issuance costs	$ 305,066,819	$ 308,460,786
Unamortized debt issuance costs	(3,295,243)	(3,565,669)
Mortgages, net of unamortized debt issuance costs	$ 301,771,576	$ 304,895,117
Mortgages before unamortized debt issuance costs percentage	4.20%	4.20%
Mortgages, net of unamortized debt issuance costs percentage	4.30%	4.30%
Fixed Rate Mortgages [Member]
Total mortgages before unamortized debt issuance costs	$ 305,066,819	$ 308,444,180
Mortgages before unamortized debt issuance costs percentage	4.20%	4.20%
Variable Rate Mortgages [Member]
Total mortgages before unamortized debt issuance costs	$ 0	$ 16,606
Mortgages before unamortized debt issuance costs percentage	0.00%	4.30%

Mortgages, net of unamortized debt issuance costs percentage.

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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- Definition

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.

+ References

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- Definition

Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

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- Definition

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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