Debt Instrument, Prepayment Penalty, Period Without Penalty

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- Definition

Derivative notional amount swapped

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Extension Period

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- Definition

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

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No definition available.

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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.

+ References

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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.

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- Definition

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

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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.

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No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

Amount, after accumulated amortization, of debt discount (premium).

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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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.

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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

No definition available.

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Debt - Summary (Details) $ in Thousands	3 Months Ended
Debt - Summary (Details) $ in Thousands	Mar. 31, 2022 USD ($) extention	Apr. 18, 2023	Apr. 01, 2022	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Long-term debt, gross	$ 2,313,397			$ 2,225,983
Unamortized debt issuance costs	(7,088)			(7,585)
Debt Instrument, Unamortized Discount (Premium), Net	(136)			(136)
Principal outstanding	$ 2,306,173			2,218,262
Weighted average interest rate	2.87%
Subsequent Event [Member]
Debt Instrument [Line Items]
Fixed Interest Rate (as a percent)			1.30%
Interest Rate Swaps
Debt Instrument [Line Items]
Derivative notional amount swapped	$ 975,000
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Stated interest rate	0.452%
Term Loan \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.85%
Unsecured Credit Facility
Debt Instrument [Line Items]
Principal outstanding	$ 384,000			296,000
Debt Instrument, Maturity Date	Oct. 23, 2026
Maximum borrowing capacity	$ 750,000
Number Of Extensions \| extention	2
Debt Instrument Term Extension Period	6 months
Unsecured Credit Facility \| Prepaid Expenses and Other Assets
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ (4,900)			(5,200)
Unsecured Credit Facility \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.775%
Unsecured Term Loans
Debt Instrument [Line Items]
Long-term debt, gross	$ 975,000			975,000
Unamortized debt issuance costs	(4,075)			(4,423)
Principal outstanding	970,925			970,577
Unsecured Term Loans \| $150 Million Wells Fargo Unsecured Term Loan A
Debt Instrument [Line Items]
Long-term debt, gross	$ 150,000			150,000
Debt Instrument, Interest Rate, Effective Percentage	3.23%
Debt Instrument, Maturity Date	Mar. 15, 2027
Fixed Interest Rate (as a percent)	2.38%
Unsecured Term Loans \| $150 Million Unsecured Term Loan D [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 150,000			150,000
Debt Instrument, Interest Rate, Effective Percentage	2.85%
Debt Instrument, Maturity Date	Jan. 04, 2023
Fixed Interest Rate (as a percent)	1.85%
Unsecured Term Loans \| $175 Million Unsecured Term Loan E [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 175,000			175,000
Debt Instrument, Interest Rate, Effective Percentage	3.77%
Debt Instrument, Maturity Date	Jan. 15, 2024
Fixed Interest Rate (as a percent)	2.92%
Unsecured Term Loans \| $200 Million Unsecured Term Loan F [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 200,000			200,000
Debt Instrument, Interest Rate, Effective Percentage	2.96%
Debt Instrument, Maturity Date	Jan. 12, 2025
Fixed Interest Rate (as a percent)	2.11%
Unsecured Term Loans \| $300 Million Unsecured Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 300,000			300,000
Debt Instrument, Interest Rate, Effective Percentage	1.13%
Debt Instrument, Maturity Date	Feb. 05, 2026
Fixed Interest Rate (as a percent)	0.28%
Unsecured Term Loans \| $300 Million Unsecured Term Loan [Member] \| Scenario, Forecast [Member]
Debt Instrument [Line Items]
Fixed Interest Rate (as a percent)		0.94%
Unsecured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 900,000			900,000
Unamortized debt issuance costs	(2,942)			(3,059)
Principal outstanding	897,058			896,941
Unsecured Notes \| $100 Million Series F Unsecured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 100,000			100,000
Stated interest rate	3.98%
Debt Instrument, Maturity Date	Jan. 05, 2023
Unsecured Notes \| $50 Million Series A Unsecured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 50,000			50,000
Stated interest rate	4.98%
Debt Instrument, Maturity Date	Oct. 01, 2024
Unsecured Notes \| $100 Million Series D Unsecured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 100,000			100,000
Stated interest rate	4.32%
Debt Instrument, Maturity Date	Feb. 20, 2025
Unsecured Notes \| $75 Million Series G Unsecured Notes [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 75,000			75,000
Stated interest rate	4.10%
Debt Instrument, Maturity Date	Jun. 13, 2025
Unsecured Notes \| $50 Million Series B Unsecured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 50,000			50,000
Stated interest rate	4.98%
Debt Instrument, Maturity Date	Jul. 01, 2026
Unsecured Notes \| $80 Million Series C Unsecured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 80,000			80,000
Stated interest rate	4.42%
Debt Instrument, Maturity Date	Dec. 30, 2026
Unsecured Notes \| $20 Million Series E Unsecured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 20,000			20,000
Stated interest rate	4.42%
Debt Instrument, Maturity Date	Feb. 20, 2027
Unsecured Notes \| $100 Million Series H Unsecured Notes [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 100,000			100,000
Stated interest rate	4.27%
Debt Instrument, Maturity Date	Jun. 13, 2028
Unsecured Notes \| $275 Million Series I Unsecured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 275,000			275,000
Stated interest rate	2.80%
Debt Instrument, Maturity Date	Sep. 29, 2031
Unsecured Notes \| $50 Million Series J Unsecured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 50,000			50,000
Stated interest rate	2.95%
Debt Instrument, Maturity Date	Sep. 28, 2033
Mortgage Loans Payable
Debt Instrument [Line Items]
Long-term debt, gross	$ 54,397			54,983
Unamortized debt issuance costs	(71)			(103)
Debt Instrument, Unamortized Discount (Premium), Net	(136)			(136)
Principal outstanding	54,190			54,744
Mortgage Loans Payable \| Wells Fargo Bank, National Association CMBS Loan
Debt Instrument [Line Items]
Long-term debt, gross	$ 46,106			46,610
Stated interest rate	4.31%
Debt Instrument, Maturity Date	Dec. 01, 2022
Penalty free prepayment period	3 months
Mortgage Loans Payable \| Thrivent Financial for Lutherans Due December 15, 2023 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 3,397			3,430
Stated interest rate	4.78%
Debt Instrument, Maturity Date	Dec. 15, 2023
Penalty free prepayment period	3 months
Mortgage Loans Payable \| United of Omaha Life Insurance Company
Debt Instrument [Line Items]
Long-term debt, gross	$ 4,894			$ 4,943
Stated interest rate	3.71%
Debt Instrument, Maturity Date	Oct. 01, 2039