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

No definition available.

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- Definition

Description of any adjustments made to the stated rate to determine the effective rate.

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- Definition

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

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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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.

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No definition available.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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No definition available.

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Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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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.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Maturity date of long-term debt, in CCYY-MM-DD format.

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The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

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Notes Payable and Unsecured Credit Facilities (Details) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	Feb. 28, 2021	Jan. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Feb. 09, 2021
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate Description			LIBOR plus 0.875%
Debt instrument, interest rate, basis for effective rate			91.5
Line of Credit Facility, Commitment Fee Amount			0.15%
Debt Instrument, Interest Rate Terms			LIBOR plus 0.95%
Repayments of unsecured debt			$ 300,000	$ 250,000	$ 150,000
Debt maturing over the next twelve months			$ 43,160
Interest Rate Swap [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate swap stated			2.00%
Non-Recourse Mortgage Loan [Member]
Debt Instrument [Line Items]
Debt maturing over the next twelve months			$ 31,600
Subsequent Event [Member] \| Amended and Restated Credit Agreement [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturity Date						Mar. 23, 2025
Line of Credit [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, basis for effective rate			LIBOR plus 0.875%
Line of Credit [Member] \| Term Loans [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, basis for effective rate			LIBOR plus 0.95%
Line of Credit [Member] \| Subsequent Event [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 1,250,000
Long-term Debt, Maturity Date	Mar. 23, 2025
Line of Credit [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate			0.875%
Line of Credit [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Term Loans [Member]
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate			0.95%
Line of Credit [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Subsequent Event [Member]
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate	0.875%
Unsecured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturity Date			Mar. 15, 2049
Accordion Feature [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 1,250,000
Accordion Feature [Member] \| Subsequent Event [Member] \| Amended and Restated Credit Agreement [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 1,250,000
Swing Loan \| Subsequent Event [Member] \| Amended and Restated Credit Agreement [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						125,000
Letter of Credit \| Subsequent Event [Member] \| Amended and Restated Credit Agreement [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 50,000
Term Loan [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturity Date			Jan. 05, 2022
Term Loan [Member] \| Unsecured Debt [Member] \| Subsequent Event [Member]
Debt Instrument [Line Items]
Repayments of unsecured debt		$ 265,000