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Indebtedness - Summary Information Concerning Indebtedness (Detail) - USD ($)
$ in Thousands

6 Months Ended

12 Months Ended

Jun. 30, 2021

Dec. 31, 2020

Apr. 05, 2021

Mar. 01, 2021

Debt Instrument [Line Items]

Outstanding Principal

$ 1,061,138

$ 949,894

Unamortized Debt Issuance Costs

(4,675)

(4,208)

Carrying Amount

$ 1,056,463

$ 945,686

Weighted Average Rate

2.40%

2.70%

Weighted Average

Debt Instrument [Line Items]

Weighted Average Maturity (in years)

3 years 1 month 6 days

3 years 1 month 6 days

Unsecured Credit Facility

Debt Instrument [Line Items]

Outstanding Principal

^[1]

$ 119,503

$ 184,802

Unamortized Debt Issuance Costs

^[1]

(1,353)

(1,692)

Carrying Amount

^[1]

$ 118,150

$ 183,110

Type

^[1]

Floating

Floating

Weighted Average Rate

^[1]

1.40%

1.60%

Unsecured Credit Facility | Weighted Average

Debt Instrument [Line Items]

Weighted Average Maturity (in years)

^[1]

1 year 10 months 24 days

2 years 4 months 24 days

Unsecured Term Loans

Debt Instrument [Line Items]

Outstanding Principal

$ 500,000

$ 300,000

Unamortized Debt Issuance Costs

(2,248)

(1,241)

Carrying Amount

$ 497,752

$ 298,759

Type

Floating

Floating

Weighted Average Rate

1.30%

1.50%

Unsecured Term Loans | Weighted Average

Debt Instrument [Line Items]

Weighted Average Maturity (in years)

3 years 8 months 12 days

3 years 3 months 18 days

Mortgages

Debt Instrument [Line Items]

Outstanding Principal

$ 441,635

^[2]

$ 465,092

Unamortized Debt Issuance Costs

(1,074)

^[2]

(1,275)

Carrying Amount

^[2]

$ 440,561

$ 463,817

Type

Fixed

^[2]

Fixed

Weighted Average Rate

3.80%

^[2]

3.90%

4.20%

5.70%

Mortgages | Weighted Average

Debt Instrument [Line Items]

Weighted Average Maturity (in years)

2 years 9 months 18 days

^[2]

3 years 2 months 12 days

[1]	The unsecured credit facility total capacity was $350,000, of which $184,802 was outstanding as of December 31, 2020.
[2]	Includes indebtedness associated with real estate held for sale.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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