XML 24 R46.htm IDEA: XBRL DOCUMENT v3.19.3
INVESTMENT SECURITIES - Fair value of impaired investment securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Mar. 31, 2019
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Estimated Fair Value $ 33,296 $ 0
Less than 12 months, Unrealized Losses (97) 0
12 months or longer, Estimated Fair Value 50,231 168,238
12 months or longer, Unrealized Losses (575) (3,526)
Total, Estimated Fair Value 83,527 168,238
Total, Unrealized Losses (672) (3,526)
Municipal securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Estimated Fair Value 1,183 0
Less than 12 months, Unrealized Losses 0 0
12 months or longer, Estimated Fair Value 0 6,554
12 months or longer, Unrealized Losses 0 (34)
Total, Estimated Fair Value 1,183 6,554
Total, Unrealized Losses 0 (34)
Agency securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Estimated Fair Value 1,998 0
Less than 12 months, Unrealized Losses (13) 0
12 months or longer, Estimated Fair Value 2,987 6,861
12 months or longer, Unrealized Losses (13) (107)
Total, Estimated Fair Value 4,985 6,861
Total, Unrealized Losses (26) (107)
Real estate mortgage investment conduits    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Estimated Fair Value [1] 6,990 0
Less than 12 months, Unrealized Losses [1] (10) 0
12 months or longer, Estimated Fair Value [1] 4,703 40,126
12 months or longer, Unrealized Losses [1] (27) (673)
Total, Estimated Fair Value [1] 11,693 40,126
Total, Unrealized Losses [1] (37) (673)
Residential mortgage-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Estimated Fair Value [1] 8,391 0
Less than 12 months, Unrealized Losses [1] (6) 0
12 months or longer, Estimated Fair Value [1] 33,311 74,288
12 months or longer, Unrealized Losses [1] (389) (1,588)
Total, Estimated Fair Value [1] 41,702 74,288
Total, Unrealized Losses [1] (395) (1,588)
Other mortgage-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Estimated Fair Value [2] 14,734 0
Less than 12 months, Unrealized Losses [2] (68) 0
12 months or longer, Estimated Fair Value [2] 9,230 40,409
12 months or longer, Unrealized Losses [2] (146) (1,124)
Total, Estimated Fair Value [2] 23,964 40,409
Total, Unrealized Losses [2] $ (214) $ (1,124)
[1] Comprised of FHLMC, FNMA and GNMA issued securities.
[2] Comprised of SBA issued and CRE secured securities issued by FNMA.