Cash Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands												3 Months Ended		12 Months Ended
	Apr. 10, 2024	Feb. 14, 2024	Feb. 07, 2024	Nov. 14, 2023	Nov. 08, 2023	Aug. 14, 2023	Aug. 09, 2023	May 15, 2023	May 10, 2023	Feb. 14, 2023	Feb. 08, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Cash dividends
Common stock dividends paid			$ 107,918		$ 107,975		$ 107,900		$ 110,607		$ 108,364	$ 107,918	$ 108,364
Preferred stock dividends paid												138	$ 138
Dividends paid												108,056		$ 435,396
Common stock dividends (in dollars per share)			$ 0.2250		$ 0.2250		$ 0.2250		$ 0.2250		$ 0.2250
Cash dividends declared per common share	$ 0.2250
Series A Preferred Stock
Cash dividends
Preferred stock dividends paid		$ 138		$ 137		$ 138		$ 137		$ 138
Cash dividend declared	$ 137,500
Dividends in arrears												$ 68,750