Cash Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands														6 Months Ended		12 Months Ended
	Jul. 12, 2023	May 15, 2023	May 10, 2023	Feb. 14, 2023	Feb. 08, 2023	Nov. 14, 2022	Nov. 09, 2022	Aug. 15, 2022	Aug. 10, 2022	May 16, 2022	May 11, 2022	Feb. 14, 2022	Feb. 09, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Cash dividends
Common stock dividends paid			$ 110,607		$ 108,364		$ 107,705		$ 107,675		$ 109,296		$ 108,149	$ 218,971	$ 217,445
Preferred stock dividends paid														275	$ 275
Dividends paid														219,246		$ 433,375
Common stock dividends (in dollars per share)			$ 0.2250		$ 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		$ 137		$ 138		$ 137		$ 138		$ 137		$ 138
Cash dividend declared	$ 138
Dividends in arrears														$ 69