Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 30, 2022	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost basis of financing receivables		$ 580.8	$ 545.4
Accrued interest on financing receivables		$ 37.4	$ 36.4
Financing receivable threshold period past due		30 days
Teravalis Acquisition
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of minimum required capital contribution	9.24%	12.00%	12.00%