Stockholders' Equity (Details) - USD ($) shares in Thousands	3 Months Ended	70 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Aug. 31, 2021
Stockholders' Equity
Cost of shares of common stock repurchased	$ 45,361,000	$ 141,412,000
Cumulative common stock repurchase transactions fees.	$ 529,000
Common Class A [Member]
Stockholders' Equity
Authorized stock repurchase amount				$ 2,000,000,000
Shares of common stock repurchased	768	2,320	33,630
Cost of shares of common stock repurchased	$ 45,361,000	$ 141,412,000	$ 1,762,068,000

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Balance Type:	debit
Period Type:	duration