Debt Instrument, Conditional Extension Term

No definition available.

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- Definition

Debt Instrument, Floor Interest Rate

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Accordion Feature, Maximum Borrowing Capacity

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Duration Of Extension Option

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Extension Fee Percentage

+ References

No definition available.

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- Definition

Line Of Credit Facility, Number Of Extension Options

+ References

No definition available.

+ Details

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- Definition

Long-Term Debt, Increase (Decease)

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

+ References

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Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

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

+ References

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

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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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from borrowings to finance the cost of construction.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Indebtedness - Additional Information (Details)									9 Months Ended
Indebtedness - Additional Information (Details)	Sep. 30, 2021 USD ($)	Aug. 24, 2021 USD ($)	May 05, 2021 USD ($) extension	Apr. 15, 2021 USD ($)	Mar. 08, 2021 USD ($)	Jan. 28, 2021 USD ($)	Jan. 15, 2021 USD ($)	Oct. 03, 2019 USD ($) extension	Sep. 30, 2021 USD ($)	Jan. 07, 2021 USD ($)	Dec. 31, 2020 USD ($)
Indebtedness
Long-term debt	$ 968,424,000								$ 968,424,000		$ 963,845,000
Harbor Point Parcel 3 Partnership
Indebtedness
Credit facility, amount outstanding										$ 15,000,000
LIBOR \| Chronicle Mill
Indebtedness
Stated interest rate, basis spread on variable rate			3.00%
Minimum \| Revolving Credit Facility
Indebtedness
Basis points on unused commitment fee									0.15%
Maximum \| Revolving Credit Facility
Indebtedness
Basis points on unused commitment fee									0.25%
New Credit Facility \| Harbor Point Parcel 3 Partnership
Indebtedness
Credit facility, amount outstanding										$ 15,000,000
Construction loans
Indebtedness
Borrowings under construction loans									$ 13,300,000
Construction loans \| Chronicle Mill
Indebtedness
Number of extension options \| extension			2
Duration of extension option			12 months
Long-term debt			$ 35,100,000
Construction loans \| LIBOR \| Chronicle Mill
Indebtedness
Floor interest rate			0.25%
Operating Partnership
Indebtedness
Credit facility, amount outstanding	9,500,000								9,500,000
Operating Partnership \| New Credit Facility
Indebtedness
Aggregate capacity under the credit facility								$ 355,000,000
Operating Partnership \| New Credit Facility \| Revolving Credit Facility
Indebtedness
Aggregate capacity under the credit facility	134,000,000							150,000,000	134,000,000
Accordion feature maximum borrowing capacity								$ 700,000,000
Number of extension options \| extension								2
Duration of extension option								6 months
Extension fee percentage								0.075%
Line of credit, amount outstanding	$ 30,000,000								$ 30,000,000		10,000,000
Interest rate on credit facility as of end of period	1.58%								1.58%
Operating Partnership \| New Credit Facility \| Term Loan Facility
Indebtedness
Aggregate capacity under the credit facility								$ 205,000,000
Line of credit, amount outstanding	$ 205,000,000								$ 205,000,000		$ 205,000,000
Interest rate on credit facility as of end of period	1.53%								1.53%
Operating Partnership \| New Credit Facility \| Minimum \| Revolving Credit Facility \| LIBOR
Indebtedness
Stated interest rate, basis spread on variable rate									1.30%
Operating Partnership \| New Credit Facility \| Minimum \| Term Loan Facility \| LIBOR
Indebtedness
Stated interest rate, basis spread on variable rate									1.25%
Operating Partnership \| New Credit Facility \| Maximum \| Revolving Credit Facility \| LIBOR
Indebtedness
Stated interest rate, basis spread on variable rate									1.85%
Operating Partnership \| New Credit Facility \| Maximum \| Term Loan Facility \| LIBOR
Indebtedness
Stated interest rate, basis spread on variable rate									1.80%
4525 Main Street and Encore Apartments
Indebtedness
Increase long term debt							$ 1,500,000
Loan interest rate							2.93%
Long-term debt							$ 57,000,000
Nexton Square
Indebtedness
Repayments of long-term debt						$ 2,000,000
Long-term debt						$ 20,100,000
Floor interest rate						0.25%
Nexton Square \| LIBOR
Indebtedness
Stated interest rate, basis spread on variable rate						2.25%
Delray Beach Plaza \| Secured Debt
Indebtedness
Long-term debt					$ 14,500,000
Delray Beach Plaza \| Secured Debt \| LIBOR
Indebtedness
Stated interest rate, basis spread on variable rate					3.00%
Southgate Square
Indebtedness
Long-term debt				$ 19,500,000
Conditional extension term				2 years
Southgate Square \| LIBOR
Indebtedness
Stated interest rate, basis spread on variable rate				2.25%
Floor interest rate				0.75%
Greenbrier Square
Indebtedness
Notes payable assumed		$ 20,000,000
Greenbrier Square \| LIBOR
Indebtedness
Stated interest rate, basis spread on variable rate		3.74%
Thames Street Wharf
Indebtedness
Loan interest rate	2.35%								2.35%
Long-term debt	$ 71,000,000								$ 71,000,000
Thames Street Wharf \| BSBY
Indebtedness
Stated interest rate, basis spread on variable rate	1.30%