Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax [Line Items]
Effective tax rate	40.40%	24.50%
Unrecognized tax benefits increased due to prior tax positions	$ 8.1
Unrecognized tax benefits	11.0
Unrecognized tax benefits, if recognized	$ 2.2
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
Maximum | Redflex Holdings Limited [Member]
Income Tax [Line Items]
Unrecognized tax benefits	$ 8.0