XML 103 R92.htm IDEA: XBRL DOCUMENT v3.2.0.727
Fair Value Measurements Assets classified within Level 3 valuation (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Available-for-sale $ 101,185 $ 89,461    
Proceeds from principal payments, maturities, calls and sales of securities: Available-for-sale 16,209 51,592    
Change in unrealized gain (loss) of securities available-for-sale, net 3,731 (5,282)    
Servicing Asset at Fair Value, Amount 210 265    
Fair Value, Inputs, Level 3 [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Available-for-sale 47 49 $ 50  
Available-for-sale Securities, Gross Unrealized Gain (Loss) [1] 0 0    
Proceeds from principal payments, maturities, calls and sales of securities: Available-for-sale (2) (1)    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net 0 0    
Change in unrealized gain (loss) of securities available-for-sale, net 0 0    
Servicing Asset at Fair Value, Amount 210 265 $ 275  
Mortgage Servicing unrealized loss [1]   (55)   $ (10)
Payments for (Proceeds from) Mortgage Servicing Rights 0 0    
Change in unrealized gains and losses to instruments held $ (51) $ (7)    
[1] (1) Includes net servicing cash flows and the passage of time.