Equity - Narrative (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	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 issued in connection with stock options exercised (in shares)	4,304
Common stock issued through the dividend reinvestment plan (in shares)	605	839
Number of shares of stock grants withheld (in shares)	69,721	74,726
Repurchases of shares (in shares)	0
Stock repurchase program, remaining authorized amount	$ 316,148,000
2020 Stock Repurchase Program
Class of Stock [Line Items]
Stock repurchase program, authorized amount				$ 500,000,000
Continuous Equity Program CEP V
Class of Stock [Line Items]
Maximum value of shares of common stock that can be sold (in dollars)	$ 1,000,000,000
Common stock sold under CEP V (in shares)	0
Forward contract indexed to issuer's equity (in shares)			68,577
Net proceeds of forward contract indexed to issuer's equity			$ 16,000,000
Common stock value, remaining to be authorized under continuous equity program	$ 705,961,000
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]
Equity instruments granted (in shares)	132,135	149,520
Restricted stock
Class of Stock [Line Items]
Equity instruments granted (in shares)	78,082	92,975
Stock issued during period, shares, share-based compensation, forfeited (in shares)	(1,181)	(343)