Indebtedness - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Jul. 07, 2021	Dec. 31, 2019	Oct. 31, 2017	Sep. 11, 2015
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 1,617,335
2030 II Private Placement Notes
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 100,000	$ 100,000
Effective Interest Rate	2.74%	2.74%
Interest Rate	2.74%
2032 Private Placement Notes
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 200,000	$ 200,000
Effective Interest Rate	2.84%	2.84%
Interest Rate	2.84%
2029 II Private Placement Notes
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 150,000	$ 150,000		$ 150,000
Effective Interest Rate	4.23%
Interest Rate	3.97%			3.97%
2015 Unsecured Term Loan (A)
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 260,000	260,000
Interest Rate	2.89%
Unsecured term loan, face amount						$ 260,000
Debt instrument, interest rate terms	LIBOR plus 110 basis points
Term Loan Borrowing Capacity	$ 360,000
2021 Unsecured Term Loan (A)
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 200,000	0
Interest Rate	1.84%
Unsecured term loan, face amount			$ 200,000
Debt instrument, interest rate terms	LIBOR plus 85 basis points
Term Loan Borrowing Capacity	$ 460,000
Mortgage Loans Payable
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	90	335
Extinguishment of debt, amount	60,471	25,448
Net carrying value of industrial properties collateralized by mortgage loans	133,613
Long-term Debt, Gross	79,764	144,214
Unsecured Credit Facility
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	$ 4,577	$ 1,049
Interest Rate	0.88%
Line of Credit Facility, current borrowing capacity			$ 750,000		$ 725,000
Line of Credit Facility, interest rate description	LIBOR plus 77.5 basis points
Line of Credit Facility, Commitment Fee Percentage	0.15%
Line of Credit Facility, additional borrowings capacity	$ 1,000,000