Quarterly report pursuant to Section 13 or 15(d)

Trading Securities (Details)

v3.10.0.1
Trading Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Mar. 31, 2018
Trading securities $ 148,407  
(Recast)    
Trading securities [1]   $ 212,595
Equity securities    
Trading securities 109,552  
Equity securities | (Recast)    
Trading securities   177,339
Debt securities    
Trading securities 38,610  
Debt securities | (Recast)    
Trading securities   34,986
Mutual investment funds    
Trading securities $ 245  
Mutual investment funds | (Recast)    
Trading securities   $ 270
[1] See Notes 2 and 3 for information regarding recast amounts and basis of financial statement presentation.