Benefit Plans - Stock Options Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Shares
Outstanding at beginning of year (in shares)	217,555	2,986,347	3,453,516
Acquired in business combinations (in shares)	2,726,113	0	0
Exercised (in shares)	(16,637)	(2,768,792)	(249,308)
Forfeited or expired (in shares)	0	0	(217,861)
Outstanding at end of year (in shares)	2,927,031	217,555	2,986,347
Exercisable at year-end (in shares)	2,927,031	217,555	2,986,347
Weighted Average Exercise Price
Outstanding at beginning of year (in USD per share)	$ 7	$ 7	$ 8
Acquired in business combinations (in USD per share)	8	0	0
Exercised (in USD per share)	6	7	8
Forfeited or expired (in USD per share)	0	0	11
Outstanding at end of year (in USD per share)	8	7	7
Exercisable at year-end (in USD per share)	$ 8	$ 7	$ 7