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INVESTMENT SECURITIES (Tables)
 12 Months Ended
Mar. 31, 2018
Investments, Debt and Equity Securities [Abstract]  
Schedule of amortized cost and approximate fair value of investment securities
   
Amortized
Cost
    
Gross
Unrealized
Gains
    
Gross
Unrealized
Losses
    
Estimated Fair
Value
  
March 31, 2018
                        
Available for sale:
                        
Municipal securities
  
$
9,041
    
$
-
    
$
(309
)
  
$
8,732
  
Agency securities
    
22,412
      
1
      
(311
)
    
22,102
  
Real estate mortgage investment conduits (1)
    
48,310
      
-
      
(1,355
)
    
46,955
  
Residential mortgage-backed securities (1)
    
91,786
      
3
      
(2,715
)
    
89,074
  
Other mortgage-backed securities (2)
    
47,878
      
1
      
(1,521
)
    
46,358
  
Total available for sale
  
$
219,427
    
$
5
    
$
(6,211
)
  
$
213,221
  
                                 
Held to maturity:
                                
Residential mortgage-backed securities (3)
  
$
42
    
$
1
    
$
-
    
$
43
  
                                 
(1) Comprised of FHLMC, Federal National Mortgage Association ("FNMA") and Ginnie Mae ("GNMA") issued securities.
  
(2) Comprised of U.S. Small Business Administration ("SBA") issued securities and commercial real estate ("CRE") secured securities issued by FNMA.
  
(3) Comprised of FHLMC and FNMA issued securities.
  
 
 
   
Amortized
Cost
    
Gross
Unrealized
Gains
    
Gross
Unrealized
Losses
    
Estimated Fair
Value
  
March 31, 2017
                        
Available for sale:
                        
Municipal securities
  
$
2,936
    
$
-
    
$
(117
)
  
$
2,819
  
Agency securities
    
16,993
      
18
      
(203
)
    
16,808
  
Real estate mortgage investment conduits (1)
    
43,510
      
49
      
(399
)
    
43,160
  
Residential mortgage-backed securities (1)
    
97,742
      
111
      
(1,242
)
    
96,611
  
Other mortgage-backed securities (2)
    
41,649
      
15
      
(848
)
    
40,816
  
Total available for sale
  
$
202,830
    
$
193
    
$
(2,809
)
  
$
200,214
  
                                 
Held to maturity:
                                
Residential mortgage-backed securities (3)
  
$
64
    
$
2
    
$
-
    
$
66
  
   
(1) Comprised of FHLMC, FNMA and GNMA issued securities.
  
(2) Comprised of SBA issued securities and CRE secured securities issued by FNMA.
  
(3) Comprised of FHLMC and FNMA issued securities.
  
Schedule of contractual maturities of investment securities
   
Available for Sale
    
Held to Maturity
  
   
Amortized
Cost
    
Estimated
Fair Value
    
Amortized
Cost
    
Estimated
Fair Value
  
Due in one year or less
  
$
10,000
    
$
9,964
    
$
-
    
$
-
  
Due after one year through five years
    
8,421
      
8,366
      
6
      
6
  
Due after five years through ten years
    
43,846
      
42,525
      
32
      
32
  
Due after ten years
    
157,160
      
152,366
      
4
      
5
  
Total
  
$
219,427
    
$
213,221
    
$
42
    
$
43
  
Schedule of temporarily impaired securities, fair value and unrealized losses
   
Less than 12 months
    
12 months or longer
    
Total
  
   
Estimated
Fair Value
    
Unrealized
Losses
    
Estimated
Fair Value
    
Unrealized
Losses
    
Estimated
Fair Value
    
Unrealized
Losses
  
March 31, 2018
                                    
                                     
Available for sale:
                                    
Municipal securities
  
$
6,626
    
$
(236
)
  
$
2,106
    
$
(73
)
  
$
8,732
    
$
(309
)
Agency securities
    
5,301
      
(112
)
    
15,797
      
(199
)
    
21,098
      
(311
)
Real estate mortgage investment conduits (1)
    
31,922
      
(774
)
    
14,983
      
(581
)
    
46,905
      
(1,355
)
Residential mortgage-backed securities (2)
    
50,941
      
(1,192
)
    
37,823
      
(1,523
)
    
88,764
      
(2,715
)
Other mortgage-backed securities (3)
    
16,355
      
(382
)
    
29,351
      
(1,139
)
    
45,706
      
(1,521
)
Total available for sale
  
$
111,145
    
$
(2,696
)
  
$
100,060
    
$
(3,515
)
  
$
211,205
    
$
(6,211
)
                                                 
March 31, 2017
                                                
                                                 
Available for sale:
                                                
Municipal securities
  
$
2,819
    
$
(117
)
  
$
-
    
$
-
    
$
2,819
    
$
(117
)
Agency securities
    
15,785
      
(203
)
    
-
      
-
      
15,785
      
(203
)
Real estate mortgage investment conduits (1)
    
32,221
      
(399
)
    
-
      
-
      
32,221
      
(399
)
Residential mortgage-backed securities (2)
    
74,388
      
(1,232
)
    
602
      
(10
)
    
74,990
      
(1,242
)
Other mortgage-backed securities (3)
    
36,754
      
(803
)
    
2,840
      
(45
)
    
39,594
      
(848
)
Total available for sale
  
$
161,967
    
$
(2,754
)
  
$
3,442
    
$
(55
)
  
$
165,409
    
$
(2,809
)
                                                 
(1) Comprised of FHLMC and FNMA issued securities.
  
(2) Comprised of FHLMC, FNMA and GNMA issued securities.
  
(3) Comprised of SBA and CRE secured securities issued by FNMA.