Credit Losses (Tables)

12 Months Ended

Dec. 31, 2022

Credit Loss [Abstract]

Financing Receivable, Allowance for Credit Loss

During the years ended December 31, 2022, 2021 and 2020, the Company recorded changes in the CECL reserve as follows (in millions):

	Accrued commissions and other receivables, net		Loans, forgivable loans and other receivables from employees and partners, net		Receivables from broker-dealers, clearing organizations, customers and related broker-dealers		Total
Beginning balance, January 1, 2020	$	0.8	$	1.1	$	—	$	1.9
Current-period provision for expected credit losses	0.2		0.5		—		0.7
Ending balance, December 31, 2020	1.0		1.6		—		2.6
Current-period provision for expected credit losses	(0.3)		0.1		—		(0.2)
Ending balance, December 31, 2021	0.7		1.7		—		2.4
Current-period provision for expected credit losses	4.7		0.8		7.0		12.5
Ending balance, December 31, 2022	$	5.4	$	2.5	$	7.0	$	14.9