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Derivative Financial Instruments - Additional Information (Details)	3 Months Ended
	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 derivative
Other Assets
Derivative [Line Items]
Derivative asset, gross		$ 3,500,000	$ 2,200,000
Other Liabilities
Derivative [Line Items]
Derivative liability, gross		4,200,000	1,000,000.0
Forward contracts
Derivative [Line Items]
Cash collateral held from counterparty			8,700,000
Cash collateral held at counterparty			0
Foreign contracts and collar contracts
Derivative [Line Items]
Proceeds from contract termination	$ 24,900,000
Foreign contracts and collar contracts \| Other Assets
Derivative [Line Items]
Derivative asset, net			$ 5,700,000
Interest rate swap
Derivative [Line Items]
Cash collateral held from counterparty		0
Cash collateral held at counterparty		$ 2,200,000
Net Investment Hedging \| Forward contracts
Derivative [Line Items]
Derivative, number of contracts \| derivative				2
Net Investment Hedging \| Collar contracts
Derivative [Line Items]
Derivative, number of contracts \| derivative				2
Designated as Hedging Instrument \| Cash Flow Hedging \| Interest rate swap
Derivative [Line Items]
Derivative, notional amount	$ 250,000,000.0
Fixed interest rate	0.5135%