General - Earning Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Accounting Policies [Abstract]
Net income	$ 295,544	$ 344,494	$ 544,438	$ 648,451
Weighted average common shares outstanding (in shares)	139,358	140,574	139,394	140,688
Dilutive effect of non-vested restricted stock awards (in shares)	471	673	567	808
Weighted average common shares outstanding - assuming dilution (in shares)	139,829	141,247	139,961	141,496
Basic earnings per share (in dollars per share)	$ 2.12	$ 2.45	$ 3.91	$ 4.61
Diluted earnings per share (in dollars per share)	$ 2.11	$ 2.44	$ 3.89	$ 4.58