Employee Benefit Plans - Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Options (in shares):
Stock options outstanding at beginning of period (in shares)	996,113	2,321,413	5,530,125
Exercised (in shares)	(996,113)	(1,325,300)	(3,208,712)
Stock options outstanding at end (in shares)	0	996,113	2,321,413
Weighted Average Exercise Price (in dollars per share):
Stock options outstanding at beginning of period (USD per share)	$ 25.53	$ 24.24	$ 20.88
Exercised (USD per share)	25.53	23.28	18.45
Stock options outstanding at end of period (USD per share)	$ 0	$ 25.53	$ 24.24
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options exercisable (in shares)	0	996,113	2,321,413	5,530,125
The Omnibus Plan
Options (in shares):
Stock options outstanding at end (in shares)	0
F&G Omnibus Plan
Options (in shares):
Stock options outstanding at beginning of period (in shares)	1,527,936	2,002,690	0
Options assumed in connection with the F&G acquisition (in shares)			2,411,585
Exercised (in shares)	(352,614)	(474,754)	(109,159)
Canceled (in shares)	(2,715)	0	(299,736)
Stock options outstanding at end (in shares)	1,172,607	1,527,936	2,002,690
Weighted Average Exercise Price (in dollars per share):
Stock options outstanding at beginning of period (USD per share)	$ 35.97	$ 36.14	$ 0
Options assumed in connection with the F&G acquisition (USD per share)			36.04
Exercised (USD per share)	38.79	36.68	27.64
Cancelled (USD per share)	28.00	0	38.41
Stock options outstanding at end of period (USD per share)	$ 35.15	$ 35.97	$ 36.14
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options exercisable (in shares)	1,172,607	1,072,584	1,021,671	0