Indebtedness	9 Months Ended
Sep. 30, 2018
Debt Disclosure [Abstract]
Indebtedness	Indebtedness Credit Facility On October 26, 2017, the Operating Partnership entered into an amended and restated credit agreement (the “credit agreement”), which provides for a $300.0 million senior credit facility comprised of a $150.0 million senior unsecured revolving credit facility (the "revolving credit facility") and a $150.0 million senior unsecured term loan facility (the "term loan facility" and, together with the revolving credit facility, the "credit facility"), with a syndicate of banks. The credit facility includes an accordion feature that allows the total commitments to be increased to $450.0 million, subject to certain conditions, including obtaining commitments from any one or more lenders. The revolving credit facility has a scheduled maturity date of October 26, 2021, with two six-month extension options, subject to certain conditions, including payment of a 0.075% extension fee at each extension. The term loan facility has a scheduled maturity date of October 26, 2022. On March 28, 2018, the Operating Partnership increased the maximum commitments under the credit facility to $330.0 million using the accordion feature, with an increase of the term loan facility to $180.0 million. The revolving credit facility bears interest at LIBOR (the London Inter-Bank Offered Rate) plus a margin ranging from 1.40% to 2.00% and the term loan facility bears interest at LIBOR plus a margin ranging from 1.35% to 1.95%, in each case depending on the Company's total leverage. The Company is also obligated to pay an unused commitment fee of 15 or 25 basis points on the unused portions of the commitments under the revolving credit facility, depending on the amount of borrowings under the credit facility. As of September 30, 2018 and December 31, 2017, the outstanding balance on the revolving credit facility was $102.0 million and $66.0 million, respectively, and the outstanding balance on the term loan facility was $180.0 million and $150.0 million, respectively. As of September 30, 2018, the effective interest rates on the revolving credit facility and the term loan facility were 3.81% and 3.76%, respectively. The Company may, at any time, voluntarily prepay any loan under the credit facility in whole or in part without premium or penalty. The Operating Partnership is the borrower under the credit facility, and its obligations under the credit facility are guaranteed by the Company and certain of its subsidiaries that are not otherwise prohibited from providing such guaranty. The credit agreement contains customary representations and warranties and financial and other affirmative and negative covenants. The Company's ability to borrow under the credit facility is subject to ongoing compliance with a number of financial covenants, affirmative covenants and other restrictions. The credit agreement includes customary events of default, in certain cases subject to customary cure periods. The occurrence of an event of default, if not cured within the applicable cure period, would permit the lenders to, among other things, declare the unpaid principal, accrued and unpaid interest and all other amounts payable under the credit facility to be immediately due and payable. The Company is currently in compliance with all covenants under the credit agreement. Subsequent to September 30, 2018 In October 2018, the Company increased its borrowings under the revolving credit facility by $16.0 million. Other Financing Activity On January 22, 2018, the Company extended and modified the Sandbridge Commons note. The note bears interest at a rate of LIBOR plus a spread of 1.75% and will mature on January 17, 2023. On March 27, 2018, the Company paid off Columbus Village Note 1 and Columbus Village Note 2 in full for an aggregate amount of $8.3 million. On May 31, 2018, the Company modified the Southgate Square note. The principal amount of the note was increased to $22 million, and the note now bears interest at a rate of LIBOR plus a spread of 1.60%. This note will still mature on April 29, 2021. On June 1, 2018, the Company entered into a $16.3 million construction loan for the River City industrial development project in Chesterfield, Virginia. The loan bears interest at a rate of LIBOR plus a spread of 1.50% and will mature on May 31, 2019. On June 14, 2018, the Company extended and modified the note secured by 249 Central Park Retail, Fountain Plaza Retail, and South Retail. The principal amount of the note was increased to $35.0 million. The note bears interest at a rate of LIBOR plus a spread of 1.60% and will mature on August 10, 2023. On June 29, 2018, the Company entered into a $15.6 million construction loan for the Brooks Crossing office development project. The loan bears interest at a rate of LIBOR plus a spread of 1.60% and will mature on July 1, 2025. On July 12, 2018, the Company entered into a $16.2 million construction loan for the Market at Mill Creek development project in Mt. Pleasant, South Carolina. The loan bears interest at a rate of LIBOR plus a spread of 1.55% and will mature on July 12, 2025. On July 27, 2018, the Company paid off the Johns Hopkins Village note and entered into a new loan. The principal amount of the new note is $53.0 million. The note bears interest at a rate of LIBOR plus a spread of 1.25% and will mature on August 7, 2025. The Company simultaneously entered into an interest rate swap agreement that effectively fixes the interest rate at 4.19% for the term of the loan. On August 28, 2018, the Company entered into a $15.0 million note secured by the newly acquired Lexington Square shopping center. The note bears interest at a rate of 4.50% and will mature on September 1, 2028. During the nine months ended September 30, 2018, the Company borrowed $59.0 million under its existing construction loans to fund new development and construction. Subsequent to September 30, 2018 On October 12, 2018, the Company extended and modified the note secured by Lightfoot Marketplace. Under the modified note, the Company may borrow up to $17.9 million. The Company has borrowed an initial tranche of $10.5 million on this note, which bears interest at a rate of LIBOR plus a spread of 1.75% until stabilization of the property, whereupon the spread will be reduced to 1.60%. The note matures on October 12, 2023. The Company simultaneously entered into an interest rate swap agreement that effectively fixes the interest rate of this initial tranche at 4.77% until stabilization and 4.62% thereafter.

Indebtedness

Credit Facility

On October 26, 2017, the Operating Partnership entered into an amended and restated credit agreement (the “credit agreement”), which provides for a $300.0 million senior credit facility comprised of a $150.0 million senior unsecured revolving credit facility (the "revolving credit facility") and a $150.0 million senior unsecured term loan facility (the "term loan facility" and, together with the revolving credit facility, the "credit facility"), with a syndicate of banks.

The credit facility includes an accordion feature that allows the total commitments to be increased to $450.0 million, subject to certain conditions, including obtaining commitments from any one or more lenders. The revolving credit facility has a scheduled maturity date of October 26, 2021, with two six-month extension options, subject to certain conditions, including payment of a 0.075% extension fee at each extension. The term loan facility has a scheduled maturity date of October 26, 2022.

On March 28, 2018, the Operating Partnership increased the maximum commitments under the credit facility to $330.0 million using the accordion feature, with an increase of the term loan facility to $180.0 million.

The revolving credit facility bears interest at LIBOR (the London Inter-Bank Offered Rate) plus a margin ranging from 1.40% to 2.00% and the term loan facility bears interest at LIBOR plus a margin ranging from 1.35% to 1.95%, in each case depending on the Company's total leverage. The Company is also obligated to pay an unused commitment fee of 15 or 25 basis points on the unused portions of the commitments under the revolving credit facility, depending on the amount of borrowings under the credit facility.

As of September 30, 2018 and December 31, 2017, the outstanding balance on the revolving credit facility was $102.0 million and $66.0 million, respectively, and the outstanding balance on the term loan facility was $180.0 million and $150.0 million, respectively. As of September 30, 2018, the effective interest rates on the revolving credit facility and the term loan facility were 3.81% and 3.76%, respectively. The Company may, at any time, voluntarily prepay any loan under the credit facility in whole or in part without premium or penalty.

The Operating Partnership is the borrower under the credit facility, and its obligations under the credit facility are guaranteed by the Company and certain of its subsidiaries that are not otherwise prohibited from providing such guaranty. The credit agreement contains customary representations and warranties and financial and other affirmative and negative covenants. The Company's ability to borrow under the credit facility is subject to ongoing compliance with a number of financial covenants, affirmative covenants and other restrictions. The credit agreement includes customary events of default, in certain cases subject to customary cure periods. The occurrence of an event of default, if not cured within the applicable cure period, would permit the lenders to, among other things, declare the unpaid principal, accrued and unpaid interest and all other amounts payable under the credit facility to be immediately due and payable.

The Company is currently in compliance with all covenants under the credit agreement.

Subsequent to September 30, 2018

In October 2018, the Company increased its borrowings under the revolving credit facility by $16.0 million.

Other Financing Activity

On January 22, 2018, the Company extended and modified the Sandbridge Commons note. The note bears interest at a rate of LIBOR plus a spread of 1.75% and will mature on January 17, 2023.

On March 27, 2018, the Company paid off Columbus Village Note 1 and Columbus Village Note 2 in full for an aggregate amount of $8.3 million.

On May 31, 2018, the Company modified the Southgate Square note. The principal amount of the note was increased to $22 million, and the note now bears interest at a rate of LIBOR plus a spread of 1.60%. This note will still mature on April 29, 2021.

On June 1, 2018, the Company entered into a $16.3 million construction loan for the River City industrial development project in Chesterfield, Virginia. The loan bears interest at a rate of LIBOR plus a spread of 1.50% and will mature on May 31, 2019.

On June 14, 2018, the Company extended and modified the note secured by 249 Central Park Retail, Fountain Plaza Retail, and South Retail. The principal amount of the note was increased to $35.0 million. The note bears interest at a rate of LIBOR plus a spread of 1.60% and will mature on August 10, 2023.

On June 29, 2018, the Company entered into a $15.6 million construction loan for the Brooks Crossing office development project. The loan bears interest at a rate of LIBOR plus a spread of 1.60% and will mature on July 1, 2025.

On July 12, 2018, the Company entered into a $16.2 million construction loan for the Market at Mill Creek development project in Mt. Pleasant, South Carolina. The loan bears interest at a rate of LIBOR plus a spread of 1.55% and will mature on July 12, 2025.

On July 27, 2018, the Company paid off the Johns Hopkins Village note and entered into a new loan. The principal amount of the new note is $53.0 million. The note bears interest at a rate of LIBOR plus a spread of 1.25% and will mature on August 7, 2025. The Company simultaneously entered into an interest rate swap agreement that effectively fixes the interest rate at 4.19% for the term of the loan.

On August 28, 2018, the Company entered into a $15.0 million note secured by the newly acquired Lexington Square shopping center. The note bears interest at a rate of 4.50% and will mature on September 1, 2028.

During the nine months ended September 30, 2018, the Company borrowed $59.0 million under its existing construction loans to fund new development and construction.

Subsequent to September 30, 2018

On October 12, 2018, the Company extended and modified the note secured by Lightfoot Marketplace. Under the modified note, the Company may borrow up to $17.9 million. The Company has borrowed an initial tranche of $10.5 million on this note, which bears interest at a rate of LIBOR plus a spread of 1.75% until stabilization of the property, whereupon the spread will be reduced to 1.60%. The note matures on October 12, 2023. The Company simultaneously entered into an interest rate swap agreement that effectively fixes the interest rate of this initial tranche at 4.77% until stabilization and 4.62% thereafter.