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INVESTMENT SECURITIES: Schedule of Temporarily Impaired Securities, Fair Value and Unrealized losses (Details 2) - Investments - USD ($) $ in Thousands | Dec. 31, 2016 | Mar. 31, 2016
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Municipal securities |  |  |  |
Available for sale: |  |  |  |
Less than 12 months, Estimated Fair Value | $ 2,810 |  |  |
Less than 12 months, Unrealized Losses | (141) |  |  |
12 months or longer, Estimated Fair Value |  |  |  |
12 months or longer, Unrealized Losses |  |  |  |
Total, Estimated Fair Value | 2,810 |  |  |
Total, Unrealized Losses | (141) |  |  |
Trust preferred |  |  |  |
Available for sale: |  |  |  |
Less than 12 months, Estimated Fair Value |  |  |  |
Less than 12 months, Unrealized Losses |  |  |  |
12 months or longer, Estimated Fair Value |  |  | 1,808 |
12 months or longer, Unrealized Losses |  |  | (111) |
Total, Estimated Fair Value |  |  | 1,808 |
Total, Unrealized Losses |  |  | (111) |
Agency securities |  |  |  |
Available for sale: |  |  |  |
Less than 12 months, Estimated Fair Value | 15,774 |  | 5,508 |
Less than 12 months, Unrealized Losses | (212) |  | (6) |
12 months or longer, Estimated Fair Value |  |  | 4,991 |
12 months or longer, Unrealized Losses |  |  | (8) |
Total, Estimated Fair Value | 15,774 |  | 10,499 |
Total, Unrealized Losses | (212) |  | (14) |
Real estate mortgage investment conduits |  |  |  |
Available for sale: |  |  |  |
Less than 12 months, Estimated Fair Value | 33,074 | [1] | 1,636 | [2]
Less than 12 months, Unrealized Losses | (420) | [1] | (1) | [2]
12 months or longer, Estimated Fair Value |  | [1] |  | [2]
12 months or longer, Unrealized Losses |  | [1] |  | [2]
Total, Estimated Fair Value | 33,074 | [1] | 1,636 | [2]
Total, Unrealized Losses | (420) | [1] | (1) | [2]
Residential mortgage-backed securities |  |  |  |
Available for sale: |  |  |  |
Less than 12 months, Estimated Fair Value | 82,188 | [1] | 831 | [3]
Less than 12 months, Unrealized Losses | (1,297) | [1] | (10) | [3]
12 months or longer, Estimated Fair Value | 651 | [1] | 3,051 | [3]
12 months or longer, Unrealized Losses | (15) | [1] | (21) | [3]
Total, Estimated Fair Value | 82,839 | [1] | 3,882 | [3]
Total, Unrealized Losses | (1,312) | [1] | (31) | [3]
Other mortgage-backed securities |  |  |  |
Available for sale: |  |  |  |
Less than 12 months, Estimated Fair Value | 36,760 | [4] | 1,891 | [5]
Less than 12 months, Unrealized Losses | (1,029) | [4] | (6) | [5]
12 months or longer, Estimated Fair Value | 2,873 | [4] | 1,229 | [5]
12 months or longer, Unrealized Losses | (44) | [4] | (18) | [5]
Total, Estimated Fair Value | 39,633 | [4] | 3,120 | [5]
Total, Unrealized Losses | (1,073) | [4] | (24) | [5]
Investment |  |  |  |
Available for sale: |  |  |  |
Less than 12 months, Estimated Fair Value | 170,606 |  | 9,866 |
Less than 12 months, Unrealized Losses | (3,099) |  | (23) |
12 months or longer, Estimated Fair Value | 3,524 |  | 11,079 |
12 months or longer, Unrealized Losses | (59) |  | (158) |
Total, Estimated Fair Value | 174,130 |  | 20,945 |
Total, Unrealized Losses | $ (3,158) |  | $ (181) |
[1] | Comprised of FHLMC, FNMA and GNMA issued securities.
[2] | Comprised of a FHLMC security.
[3] | Comprised of FHLMC and FNMA issued securities.
[4] | Comprised of SBA and CRE issued securities.
[5] | Comprised of SBA issued securities.

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