Risk Management and Use of Derivative Financial Instruments - Derivative Gain Loss Recognized in Income (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Amount of Gain (Loss) on Derivatives Recognized in Income
Total	$ 1,679	$ 1,906
Derivatives in Cash Flow Hedging Relationships \| Foreign currency collars \| Non-operating income
Amount of Gain (Loss) on Derivatives Recognized in Income
Gain (loss) on hedging activity	1,208	1,000
Derivatives in Cash Flow Hedging Relationships \| Interest rate swaps \| Interest expense
Amount of Gain (Loss) on Derivatives Recognized in Income
Gain (loss) on hedging activity	187	906
Derivatives Not in Cash Flow Hedging Relationships \| Foreign currency collars \| Other gains and (losses)
Amount of Gain (Loss) on Derivatives Recognized in Income
Amount of Gain (Loss) on Derivatives Recognized in Income	$ 284	$ 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
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL109998890-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Gain (loss) incurred in hedging activities.

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