Significant Accounting Policies - Other Intangible Assets, Net (Details)	12 Months Ended
	Dec. 31, 2021
Minimum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (in years)	3 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (in years)	10 years
Client relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (in years)	10 years