Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash (Details)

v3.10.0.1
Restricted Cash (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Mar. 31, 2018
Restricted cash $ 29,560  
(Recast)    
Restricted cash [1]   $ 21,962
Brokerage customers' cash    
Restricted cash 20,165  
Brokerage customers' cash | (Recast)    
Restricted cash   12,963
Deferred distribution payments    
Restricted cash 8,534  
Deferred distribution payments | (Recast)    
Restricted cash   8,534
Guaranty deposits    
Restricted cash 576  
Guaranty deposits | (Recast)    
Restricted cash   $ 350
Reserve with Central Bank of Russia    
Restricted cash 285  
Reserve with Central Bank of Russia | (Recast)    
Restricted cash $ 115  
[1] See Notes 2 and 3 for information regarding recast amounts and basis of financial statement presentation.