Unsecured Credit Agreements - Summary of Unsecured Credit Agreements (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total unsecured debt		$ 1,944,323	$ 2,034,076
Long-term Debt		1,944,323
Unsecured Debt
Debt Instrument [Line Items]
Long-term Debt		1,848,080	1,936,569
Unsecured Debt | Term Loan [Member]
Debt Instrument [Line Items]
Total unsecured debt		900,000	900,000
Debt issuance costs, net		4,994	5,308
Long-term Debt		895,006	894,692
Unsecured Debt | Senior Notes [Member]
Debt Instrument [Line Items]
Total unsecured debt		850,000	850,000
Unamortized debt issuance costs and original issuance discount, net		(5,256)	(5,445)
Long-term Debt		$ 844,744	844,555
Unsecured Debt | Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Interest Rate		Applicable reference rate + 0.85% (a)
Maturity Date		2026-03
Basis spread on variable rate	[1]	0.85%
Total unsecured debt		$ 108,330	197,322
Unsecured Debt | 2026 Unsecured Term Loan
Debt Instrument [Line Items]
Interest Rate		one-month LIBOR + 1.00% (b)
Maturity Date		2026-02
Total unsecured debt		$ 400,000	400,000
Unsecured Debt | 2026 Unsecured Term Loan | 1 Month LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	[2]	1.00%
Unsecured Debt | 2027 Unsecured Term Loan
Debt Instrument [Line Items]
Interest Rate		one-month adjusted SOFR + 0.95% (c)
Maturity Date		2027-08
Total unsecured debt		$ 200,000	200,000
Unsecured Debt | 2027 Unsecured Term Loan | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate	[3]	0.95%
Unsecured Debt | 2029 Unsecured Term Loan
Debt Instrument [Line Items]
Interest Rate		one-month adjusted SOFR + 1.25% (c)
Maturity Date		2029-08
Total unsecured debt		$ 300,000	300,000
Unsecured Debt | 2029 Unsecured Term Loan | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate	[3]	1.25%
Unsecured Debt | 2027 Senior Unsecured Notes | Senior Guaranteed Notes Series A
Debt Instrument [Line Items]
Debt instrument, interest rate		4.84%
Maturity Date		2027-04
Total unsecured debt		$ 150,000	150,000
Unsecured Debt | 2028 Senior Unsecured Notes | Senior Guaranteed Notes Series B
Debt Instrument [Line Items]
Debt instrument, interest rate		5.09%
Maturity Date		2028-07
Total unsecured debt		$ 225,000	225,000
Unsecured Debt | 2030 Senior Unsecured Notes | Senior Guaranteed Notes Series C
Debt Instrument [Line Items]
Debt instrument, interest rate		5.19%
Maturity Date		2030-07
Total unsecured debt		$ 100,000	100,000
Unsecured Debt | 2031 Senior Unsecured Public Notes | Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate		2.60%
Maturity Date		2031-09
Total unsecured debt		$ 375,000	$ 375,000

[1] At March 31, 2023 and December 31, 2022, a balance of $34.5 million and $123.5 million was subject to the one-month SOFR of 4.8% and 4.36%, respectively. The remaining balance includes $100 million CAD borrowings remeasured to $73.8 million USD, at March 31, 2023 and December 31, 2022, respectively, and was subject to the one-month CDOR of 4.95% and 4.74%, respectively.

[2] At March 31, 2023 and December 31, 2022, one-month LIBOR was 4.86% and 4.39%, respectively.

[3] At March 31, 2023 and December 31, 2022, one-month SOFR was 4.80% and 4.36%, respectively.