Treasury Stock (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023
Treasury Stock
Common stock acquired, cost	$ 45,775	$ 35,090	$ 128,457	$ 394,930
Excise tax on treasury stock repurchases					$ 641
Common stock repurchase authorization
Treasury Stock
Authorized amount for repurchase of common stock	1,845,000				$ 1,845,000
Common stock acquired, shares					729
Common stock acquired, cost					$ 80,224
Remaining authorized repurchase amount	$ 115,622				115,622
Excise tax on treasury stock repurchases					$ 641