Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions		2 Months Ended	3 Months Ended	6 Months Ended		12 Months Ended
	Jan. 25, 2022	Feb. 18, 2022	Mar. 31, 2020	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2019	Jan. 01, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Retained earnings				$ 3,250,691				$ 2,642,096
Shares repurchased during period (in shares)			9.6	19.0		8.7
Shares repurchased, weighted average price per share (in dollars per share)			$ 12.47	$ 15.30		$ 13.13
Remaining authorized repurchase amount				$ 500,000
Common stock, dividends, per share, cash paid (in dollars per share)				$ 0.08	$ 0.06
Cash dividends				$ 53,600	$ 41,100
Cumulative Effect, Period of Adoption, Adjustment
Class of Stock [Line Items]
Retained earnings							$ 68,300
Additional Paid in Capital							$ 68,300
Subsequent Event
Class of Stock [Line Items]
Shares repurchased during period (in shares)		4.9
Shares repurchased, weighted average price per share (in dollars per share)		$ 15.50
Common stock, dividends, per share, declared (in dollars per share)	$ 0.08