Debt Instrument, Amortization Period After Interest Only Payments Period

No definition available.

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- Definition

The number of real estate properties pledged to secure a debt instrument.

+ References

No definition available.

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- Definition

Debt Instrument, Difference Of Basis Spread On Variable Rate

+ References

No definition available.

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- Definition

Debt Instrument, Interest Only Payments Term

+ References

No definition available.

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- Definition

Debt Instrument, Principal Amount Defeased

+ References

No definition available.

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- Definition

Debt Transaction Costs

+ References

No definition available.

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- Definition

Line Of Credit, Conditional Additional Borrowing Capacity

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Advances Limit Term, Borrowing Base Asset Value Multiplier

+ References

No definition available.

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- Definition

Line of Credit, Additional Borrowing Capacity Without Restrictions

+ References

No definition available.

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- Definition

Long-term Debt, Percentage Bearing Variable Interest Rates that Had Been Converted to Fixed Interest Rates

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

The average effective interest rate during the reporting period.

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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

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

+ References

+ Details

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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 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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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ 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

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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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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- Definition

The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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DEBT - Narrative (Details)									9 Months Ended		12 Months Ended
DEBT - Narrative (Details)	Oct. 08, 2019 USD ($)	Apr. 24, 2019 USD ($) Property	Apr. 11, 2019 USD ($)	Mar. 19, 2019 USD ($) Property	Jan. 31, 2019	Feb. 15, 2018 USD ($)	Sep. 26, 2017 USD ($)	Jun. 30, 2017 USD ($)	Sep. 30, 2020 USD ($) Property	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2017 USD ($)	Jun. 30, 2020 Property	May 07, 2020 USD ($)	Mar. 20, 2019 Property	Dec. 06, 2018 USD ($)
Debt Instrument [Line Items]
Weighted average interest rate for all borrowings, after giving effect to interest rate derivatives (as a percent)									3.44%		3.95%
Long-term debt									$ 1,084,092,000		$ 1,016,163,000
Repayments of debt									122,789,000	$ 251,360,000
Debt transaction costs									$ 336,000	$ 1,847,000
$75 Million Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 75,000,000
Difference of basis spread on variable rate	0.05%
Mortgage loans
Debt Instrument [Line Items]
Debt principal amount defeased				$ 6,300,000
Secured debt \| Non-recourse Loan \| Metabank
Debt Instrument [Line Items]
Debt instrument, face amount								$ 47,600,000
Number of properties that served as collateral for loans \| Property													3
Amount drawn on secured debt												$ 47,600,000
Fixed interest rate								4.44%
Debt instrument, interest only payments term					24 months			18 months
Debt instrument, amortization period after interest only payments period									25 years
Secured debt \| Mortgage loans
Debt Instrument [Line Items]
Number of properties that served as collateral for loans \| Property				4					15						3
Long-term debt				$ 26,200,000					$ 154,900,000
Secured debt \| Compass Bank Variable due May 6, 2020
Debt Instrument [Line Items]
Number of properties that served as collateral for loans \| Property		3
Repayments of debt		$ 21,900,000
Secured debt \| U.S. Bank, NA 6.13% Fixed due November 11, 2021
Debt Instrument [Line Items]
Repayments of debt			$ 10,600,000
Debt transaction costs			$ 1,000,000.0
Unsecured debt \| 2018 Unsecured Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity																$ 600,000,000
Line of credit amount borrowed									345,000,000.0
Amount available for borrowing									175,000,000.0
Conditional additional borrowing capacity									$ 50,000,000.0
Number of properties that served as collateral for loans \| Property									52
Additional borrowing capacity									$ 300,000,000.0
Unsecured debt \| $400 Million Revolver
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity									400,000,000					$ 400,000,000		400,000,000
Unsecured debt \| $200 Million Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount									$ 200,000,000							$ 200,000,000
Debt instrument, effective interest rate									2.35%
Unsecured debt \| First Amendment to Credit Agreement
Debt Instrument [Line Items]
Conditional additional borrowing capacity														50,000,000
Additional borrowing capacity														$ 100,000,000
Unsecured debt \| 2018 Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount						$ 225,000,000.0
Debt instrument, effective interest rate									2.15%
Additional borrowing capacity						$ 150,000,000.0
Unsecured debt \| 2017 Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount							$ 225,000,000.0
Debt instrument, effective interest rate									2.45%
Additional borrowing capacity							$ 175,000,000.0
Mortgage loans
Debt Instrument [Line Items]
Debt transaction costs				$ 600,000
Minimum \| LIBOR \| Unsecured debt \| $400 Million Revolver
Debt Instrument [Line Items]
Debt basis spread on variable rate									1.40%
Minimum \| LIBOR \| Unsecured debt \| $200 Million Term Loan
Debt Instrument [Line Items]
Debt basis spread on variable rate									1.35%
Maximum \| LIBOR \| Unsecured debt \| $400 Million Revolver
Debt Instrument [Line Items]
Debt basis spread on variable rate									2.20%
Maximum \| LIBOR \| Unsecured debt \| $200 Million Term Loan
Debt Instrument [Line Items]
Debt basis spread on variable rate									2.15%
Option One \| Minimum \| LIBOR \| Unsecured debt \| 2018 Term Loan
Debt Instrument [Line Items]
Debt basis spread on variable rate						1.35%
Option One \| Minimum \| LIBOR \| Unsecured debt \| 2017 Term Loan
Debt Instrument [Line Items]
Debt basis spread on variable rate							1.45%
Option One \| Maximum \| LIBOR \| Unsecured debt \| 2018 Term Loan
Debt Instrument [Line Items]
Debt basis spread on variable rate						1.95%
Option One \| Maximum \| LIBOR \| Unsecured debt \| 2017 Term Loan
Debt Instrument [Line Items]
Debt basis spread on variable rate							2.25%
Fair Value
Debt Instrument [Line Items]
Debt with variable interest rates that had been converted to fixed interest rates									$ 400,000,000.0		$ 400,000,000.0
Line of Credit \| $200 Million Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 500,000,000
Additional borrowing capacity	300,000,000
Credit facility, current borrowing capacity	$ 200,000,000
Advances limit term, borrowing base asset value multiplier									0.55
Line of Credit \| Option One \| LIBOR \| $200 Million Credit Facility
Debt Instrument [Line Items]
Debt basis spread on variable rate	2.15%
Line of Credit \| Option Two \| LIBOR \| $200 Million Credit Facility
Debt Instrument [Line Items]
Debt basis spread on variable rate	2.15%
Revolving Credit Facility \| $125 Million Revolver
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 125,000,000
Revolving Credit Facility \| $300 Million Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity												$ 300,000,000