Derivatives and Hedging Instruments - Effects of Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (3,554)	$ (2,030)
Foreign currency exchange contracts \| Cash Flow Hedging \| Other income (expense)
Derivative [Line Items]
Amount of Gain Recognized in Income (Loss)	1,943	0
Derivatives Designated as Hedging Instruments \| Foreign currency exchange contracts \| Cash Flow Hedging \| Salaries and employee benefits
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(389)	935
Gain (Loss) Reclassified from OCI into Income (Loss)	127	(95)
Derivatives Designated as Hedging Instruments \| Foreign currency exchange contracts \| Cash Flow Hedging \| General and administrative expenses
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(45)	(78)
Gain (Loss) Reclassified from OCI into Income (Loss)	17	(84)
Derivatives Designated as Hedging Instruments \| Interest rate swap agreements \| Cash Flow Hedging \| Interest Expense
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(6,707)	(2,086)
Gain (Loss) Reclassified from OCI into Income (Loss)	(1,088)	(420)
Derivatives Designated as Hedging Instruments \| Interest rate cap contracts \| Cash Flow Hedging \| Interest Expense
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(1,396)	(1,572)
Gain (Loss) Reclassified from OCI into Income (Loss)	$ (2,542)	$ 0

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CC
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Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
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Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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