Equity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jul. 31, 2020
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	280,000,000	280,000,000
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock shares issued in connection with stock options exercised (in shares)	8,670
Common stock issued through the dividend reinvestment plan (in shares)	2,810	2,844	2,747
Forward contract indexed to issuer's equity (in shares)	2,000,000
Number of shares withheld to satisfy employees' tax withholding and other liabilities (in shares)	72,783	75,780	74,173
Common shares issued under Employee Stock Purchase Plan (in shares)	20,837
Number of shares forfeited (in shares)	3,701
Repurchase of common stock (in shares)	0
Stock repurchase program, remaining authorized repurchase amount	$ 316,148,000
Forward contract indexed to issuer's equity, settlement (in dollars per share)	$ 247.30
Forward contract indexed to issuer's equity, net proceeds	$ 494,200,000
2020 Stock Repurchase Program
Class of Stock [Line Items]
Authorized amount of stock repurchase program				$ 500,000,000
Continuous Equity Program CEP V
Class of Stock [Line Items]
Maximum value of shares of common stock that can be sold	$ 1,000,000,000
Issuance of common stock, net of withholdings (in shares)	0
Forward contract indexed to issuer's equity, settlement (in dollars per share)	$ 229.34
Common stock value, remaining to be authorized under continuous equity program	$ 705,961,000
Forward Contract Indexed to Equity, Settlement, Cash, Amount	$ 15,727,000
Forward Contract Indexed to Equity, Settlement, Number of Shares	68,577
Maximum | Continuous Equity Program CEP V
Class of Stock [Line Items]
Percentage of compensation received by sales agent	1.50%
Restricted stock and restricted stock converted from performance shares
Class of Stock [Line Items]
Common stock shares issued in connection with stock grants (in shares)	140,528	155,836	165,545