Share repurchases Share Repurchase Table (Details) - Open Market Purchases - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock (in shares)	2,122	2,731	8,095	7,750
Treasury Stock, Value, Acquired, Cost Method	$ 184,797	$ 336,217	$ 787,854	$ 899,447
Treasury Stock Acquired, Average Cost Per Share	$ 87.10	$ 123.14	$ 97.33	$ 116.06

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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