Subsequent Events (Details) - Madison National - Subsequent Event	Jan. 03, 2022 USD ($)
Business Acquisition
Consideration to acquire business	$ 172,500,000
Business acquisition, contingent consideration, liability (up to)	$ 12,500,000

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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