Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Earnings Per Share) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Net income	$ 2,602,372	$ 2,617,317	$ 1,946,320
Less: earnings distributed to participating securities	(511)	(846)	(1,218)
Less: undistributed earnings allocated to participating securities	(8,990)	(15,330)	(15,117)
Numerator for basic earnings per share	2,592,871	2,601,141	1,929,985
Add back: undistributed earnings allocated to participating securities	8,990	15,330	15,117
Less: undistributed earnings reallocated to participating securities	(8,923)	(15,229)	(15,080)
Numerator for diluted earnings per share	$ 2,592,938	$ 2,601,242	$ 1,930,022