XML 45 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investment Securities: Mortgage Backed Securities Policy (Details)
security in Thousands, $ in Thousands
3 Months Ended
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Jun. 30, 2016
security
Schedule of Available-for-sale Securities [Line Items]      
Principal payments from investment securities available for sale $ 5,987 $ 4,048  
Other-than-temporary impairments, investments 0 0  
U.S. government sponsored enterprise MBS      
Schedule of Available-for-sale Securities [Line Items]      
Payments to Acquire Mortgage Backed Securities (MBS) categorized as Held-to-maturity $ 10,100 $ 0  
Available for sale | Private issue CMO      
Schedule of Available-for-sale Securities [Line Items]      
Number of investment securities held | security     28