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Debt Obligations- Mortgage Payable current (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Mortgages Payable
Mortgages payable, net	$ 402,978,000	$ 393,157,000
Mortgages payable
Mortgages Payable
Mortgages payable, gross	407,007,000	396,946,000
Unamortized deferred financing costs	(4,029,000)	(3,789,000)
Mortgages payable, net	$ 402,978,000	$ 393,157,000

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations before netting of deferred finance costs (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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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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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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