Debt (Details) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended
	Jan. 16, 2024 USD ($)	Jan. 11, 2024 USD ($) $ / shares	Jun. 30, 2024 USD ($) $ / shares	Jun. 30, 2023 $ / shares	Jun. 30, 2024 USD ($) $ / shares	Jun. 30, 2023 $ / shares	Jan. 08, 2024 $ / shares
Debt Instrument [Line Items]
Divdends declared per common share | $ / shares			$ 1.09	$ 1.08	$ 2.18	$ 2.16
Purchase of capped calls					$ 19,448
Unsecured term loan
Debt Instrument [Line Items]
Other notes payable			$ 600,000		$ 600,000
3.25% notes | Call Option
Debt Instrument [Line Items]
Share Price | $ / shares							$ 102.33
Initial cap price | $ / shares		$ 143.26
Percentage of cap price premium over share price		40.00%
Purchase of capped calls		$ 19,400
3.25% notes | Exchangeable senior notes
Debt Instrument [Line Items]
Proceeds from issuance of debt		$ 485,000
Interest rate		3.25%	3.25%		3.25%
Net proceeds		$ 471,500
Interest expense			$ 4,600		$ 8,700
Exchange price | $ / shares		$ 122.80
Exchange premium percentage		20.00%
Minimum redemption exchange price		130.00%
Note offering percent		100.00%
3.25% notes | Exchangeable senior notes | Per $1,000 principal amount
Debt Instrument [Line Items]
Exchange rate		8.1436
Exchange rate principal amount		$ 1
3.95% Notes | Unsecured senior notes
Debt Instrument [Line Items]
Interest rate	3.95%
Repayments of Unsecured Debt	$ 600,000
Revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity under revolving credit facility			1,250,000		1,250,000
Maximum amount outstanding under revolving credit facility			202,700		202,700
Weighted average borrowings outstanding			$ 58,800		$ 30,300
Weighted average interest rate, before amortization of debt fees			6.20%		6.20%
Revolving credit facility			$ 81,800		$ 81,800