Equity and Dividends (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands										12 Months Ended
	Feb. 17, 2023	Nov. 06, 2022	Aug. 05, 2022	May 06, 2022	Feb. 16, 2022	Nov. 05, 2021	Aug. 06, 2021	Jun. 03, 2021	Mar. 12, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Apr. 15, 2022	Mar. 31, 2020
Dividends Payable [Line Items]
Stock repurchase authorized													$ 240,000
Stock repurchased during period (in shares)										2,468,354
Average price of shares repurchased (in usd per share)										$ 61.56
Remaining number of shares authorized to be repurchased (in shares)										88,400,000
Common stock, par value (in usd per share)										$ 0.01	$ 0.01
At-the market shelf registration, equity offering sales agreement, aggregate sales price														$ 500,000
Issuance of common stock, net (in shares)											661,951
Common stock issued, price per share (in usd per share)											$ 73.62
Proceeds from equity offering, net										$ 0	$ 47,904	$ 34,649
Regular dividends declared per common share (in usd per share)		$ 0.90	$ 0.90	$ 0.90	$ 0.90	$ 0.90	$ 0.90	$ 0.90	$ 1.1025	$ 3.60	$ 3.8025	$ 4.41
Subsequent Event
Dividends Payable [Line Items]
Stock repurchase authorized	$ 160,000
Regular dividends declared per common share (in usd per share)	$ 0.90