Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Earnings Per Share) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net income	$ 2,617,317	$ 1,946,320	$ 1,406,839
Less: earnings distributed to participating securities	(846)	(1,218)	(1,106)
Less: undistributed earnings allocated to participating securities	(15,330)	(15,117)	(11,348)
Numerator for basic earnings per share	2,601,141	1,929,985	1,394,385
Add back: undistributed earnings allocated to participating securities	15,330	15,117	11,348
Less: undistributed earnings reallocated to participating securities	(15,229)	(15,080)	(11,312)
Numerator for diluted earnings per share	$ 2,601,242	$ 1,930,022	$ 1,394,421