Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax [Line Items]
Effective tax rate	29.90%	69.00%	32.90%	549.60%
Unrecognized tax benefits increased due to prior tax positions			$ 8.3
Unrecognized tax benefits	$ 11.1		11.1
Unrecognized tax benefits, if recognized	2.5		$ 2.5
Earliest | State | Florida and Georgia
Income Tax [Line Items]
Income tax examination, year under examination			2018
Latest | State | Florida and Georgia
Income Tax [Line Items]
Income tax examination, year under examination			2019
Maximum
Income Tax [Line Items]
Accrued interest and penalties	0.1		$ 0.1
Maximum | Redflex Holdings Limited [Member]
Income Tax [Line Items]
Unrecognized tax benefits	$ 8.0		$ 8.0