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Debt Securities Issued (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Mar. 31, 2019
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Debt Securities [Abstract] |  |
Debt securities issued denominated in USD | $ 30,630 | $ 20,265
Debt securities issued denominated in RUB | 8,077 | 7,724
Accrued interest | 443 | 549
Total | $ 39,150 | $ 28,538

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