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Securities - Association's Investments Gross Unrealized Investment Losses and Fair Value of Association's Investments with Unrealized Losses (Detail) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019 | Jun. 30, 2019
--- | --- | --- | ---
Less than 12 Months, Fair Value | $ 7,083 |  | $ 16,097
Less than 12 Months, Unrealized Losses | (218) |  | (73)
12 Months or More, Fair Value | 2,325 |  | 31,049
12 Months or More, Unrealized Losses | (142) |  | (264)
Total Fair Value |  | $ 9,408 | 47,146
Total, Unrealized Losses | (360) |  | (337)
Mortgage-backed Securities - GSE Residential [Member] |  |  |
Less than 12 Months, Fair Value | 5,011 |  | 15,167
Less than 12 Months, Unrealized Losses | (189) |  | (72)
12 Months or More, Fair Value | 2,325 |  | 31,049
12 Months or More, Unrealized Losses | (142) |  | (264)
Total Fair Value |  | 7,336 | 46,216
Total, Unrealized Losses | (331) |  | (336)
Small Business Administration [Member] |  |  |
Less than 12 Months, Fair Value | 2,011 |  | 930
Less than 12 Months, Unrealized Losses | (28) |  | (1)
12 Months or More, Fair Value | 0 |  |
12 Months or More, Unrealized Losses | 0 |  |
Total Fair Value |  | 2,011 | 930
Total, Unrealized Losses | (28) |  | $ (1)
State and Political Subdivisions [Member] |  |  |
Less than 12 Months, Fair Value | 0 |  |
Less than 12 Months, Unrealized Losses | 0 |  |
12 Months or More, Fair Value | 0 |  |
12 Months or More, Unrealized Losses | 0 |  |
Total Fair Value |  | $ 0 |
Total, Unrealized Losses | $ (1) |  |

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References No definition available. + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References No definition available. + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References No definition available. + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References No definition available. + Details
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