v3.19.3

Financial Derivatives (Schedule of Gains and Losses on Derivative Contracts) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) on Periodic Settlements of Interest Rate Swaps | $ 82 |  | $ 852 |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps | (9,425) |  | (32,655) |
Realized gains (losses) on financial derivatives, net | (9,343) | $ 781 | (31,803) | $ (544)
Change in Net Unrealized Gains (Losses) on Accrued Periodic Settlements of Interest Rate Swaps | 171 |  | (60) |
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps | 1,318 |  | (9,068) |
Unrealized gains (losses) on financial derivatives, net | 1,489 | 733 | (9,128) | 11,630
Foreign currency transactions |  | 775 |  | 1,433
Foreign currency translation |  | (1,277) |  | (3,139)
Derivative [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Foreign currency transactions | 17 | 0 | 47 | (200)
Foreign currency translation | 16 | 32 | 8 | 300
Interest rate swaps | Interest Rate Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) on Periodic Settlements of Interest Rate Swaps | 82 |  | 852 |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps | 34 |  | (1,117) |
Realized gains (losses) on financial derivatives, net | 116 | 1,000 | (265) | (500)
Change in Net Unrealized Gains (Losses) on Accrued Periodic Settlements of Interest Rate Swaps | 171 |  | (60) |
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps | (2,598) |  | (11,915) |
Unrealized gains (losses) on financial derivatives, net | (2,427) | 1,171 | (11,975) | 8,301
Credit default swaps on asset-backed securities | Credit Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps | 16 |  | 419 |
Realized gains (losses) on financial derivatives, net | 16 | (986) | 419 | (739)
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps | (12) |  | (394) |
Unrealized gains (losses) on financial derivatives, net | (12) | 1,307 | (394) | 759
Credit default swaps on asset-backed indices | Credit Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Realized gains (losses) on financial derivatives, net |  | (153) |  | (2,199)
Unrealized gains (losses) on financial derivatives, net |  | (291) |  | 1,161
Credit default swaps on corporate bond indices | Credit Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps | (261) |  | (1,245) |
Realized gains (losses) on financial derivatives, net | (261) |  | (1,245) |
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps | (81) |  | (832) |
Unrealized gains (losses) on financial derivatives, net | (81) |  | (832) |
Credit default swaps on corporate bond indices | Credit Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps | (1,113) |  |  |
Realized gains (losses) on financial derivatives, net | (1,113) | (1,085) |  | (3,322)
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps | 909 |  |  |
Unrealized gains (losses) on financial derivatives, net | 909 | (247) |  | 2,181
Credit default swaps on corporate bond indices | Credit Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps |  |  | (4,387) |
Realized gains (losses) on financial derivatives, net |  |  | (4,387) |
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps |  |  | (1,026) |
Unrealized gains (losses) on financial derivatives, net |  |  | (1,026) |
Credit default swaps on corporate bonds | Credit Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps | (259) |  | (764) |
Realized gains (losses) on financial derivatives, net | (259) | 1,234 | (764) | 4,230
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps | 268 |  | 1,110 |
Unrealized gains (losses) on financial derivatives, net | 268 | (1,031) | 1,110 | (1,823)
Total return swaps | Equity Market/Credit Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps | 251 |  | (1,046) |
Realized gains (losses) on financial derivatives, net | 251 | 32 | (1,046) | 455
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps | (716) |  | (681) |
Unrealized gains (losses) on financial derivatives, net | (716) | (1,425) | (681) | (1,739)
TBA securities | Interest Rate Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps | (5,067) |  | (17,183) |
Realized gains (losses) on financial derivatives, net | (5,067) |  | (17,183) |
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps | 1,542 |  | 3,680 |
Unrealized gains (losses) on financial derivatives, net | 1,542 |  | 3,680 |
Futures | Interest Rate/Currency Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps | (3,551) |  | (8,365) |
Realized gains (losses) on financial derivatives, net | (3,551) | 729 | (8,365) | 1,652
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps | 1,627 |  | 761 |
Unrealized gains (losses) on financial derivatives, net | 1,627 | 1,021 | 761 | 2,002
Forwards | Currency risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps | 525 |  | 1,068 |
Realized gains (losses) on financial derivatives, net | 525 | 10 | 1,068 | (59)
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps | 379 |  | 228 |
Unrealized gains (losses) on financial derivatives, net | $ 379 | 228 | 228 | 712
Options | Interest Rate Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net Realized Gains (Losses) Other Than Periodic Settlements of Interest Rate Swaps |  |  | (35) |
Realized gains (losses) on financial derivatives, net |  |  | (35) |
Change in Net Unrealized Gains (Losses) Other Than on Accrued Periodic Settlements of Interest Rate Swaps |  |  | 1 |
Unrealized gains (losses) on financial derivatives, net |  |  | $ 1 |
Options | Interest Rates/Equity Market Risk [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Realized gains (losses) on financial derivatives, net |  | 0 |  | (62)
Unrealized gains (losses) on financial derivatives, net |  | $ 0 |  | $ 76

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