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Derivative Instruments and Hedging Activities (Details 3) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Ria Operations [Member] | Foreign Currency Gain (Loss) [Member] |  |  |  |
Derivative Instruments, Loss [Line Items] |  |  |  |
Gain (loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments | $ (2,126) | $ 7,085 | $ 334 | $ 8,380
HiFX Operations [Member] | Trading Revenue [Member] |  |  |  |
Derivative Instruments, Loss [Line Items] |  |  |  |
Foreign Currency Exchange Margin | $ 16,100 | $ 16,800 | $ 34,700 | $ 35,500

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- Definition Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition The net gain on trading activities (including both derivative and nonderivative instruments) recognized in the statement of financial performance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4F -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624186-113959 + Details
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