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Derivative Financial Instruments - Additional Information (Details)	3 Months Ended
	Mar. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 instrument
Other assets
Derivative [Line Items]
Derivative assets, gross		$ 1,000,000.0	$ 2,200,000
Other liabilities
Derivative [Line Items]
Derivative liabilities, gross		2,600,000	1,000,000.0
Forward contracts
Derivative [Line Items]
Cash collateral held from counterparty		0	8,700,000
Cash collateral held at counterparty		$ 1,600,000	0
Foreign contracts and collar contracts
Derivative [Line Items]
Proceeds from derivative termination	$ 24,900,000
Foreign contracts and collar contracts \| Other assets
Derivative [Line Items]
Derivative assets, net			$ 5,700,000
Designated as Hedging Instrument \| Net Investment Hedging \| Forward contracts
Derivative [Line Items]
Number of instruments held \| instrument				2
Designated as Hedging Instrument \| Net Investment Hedging \| Collar
Derivative [Line Items]
Number of instruments held \| instrument				2
Designated as Hedging Instrument \| Cash Flow Hedging \| Interest rate swap
Derivative [Line Items]
Fixed interest rate	0.5135%
Derivative notional amount	$ 250,000,000.0