Stockholders' Equity (Summary of Regular Quarterly Dividend) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended							9 Months Ended		12 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash dividend (in usd per share)	$ 1.05	$ 1.05	$ 1.05	$ 1.05	$ 1.05	$ 1.05	$ 1.05	$ 3.15		$ 4.20
Payment of dividends								$ 80,191	$ 79,744
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payment of dividends	$ 26,736	$ 26,734	$ 26,721	$ 26,592	$ 26,590	$ 26,591	$ 26,563	$ 80,191		$ 106,336