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Earnings Per Share ("EPS") - Additional Information (Detail) - $ / shares | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Sep. 13, 2019 | Jun. 12, 2019
Shares authorized to be repurchased |  |  |  |  | 320,476 | 89,526
Percentage of current outstanding shares |  |  |  |  | 9.00% | 2.50%
Repurchase of stock during the period, shares | 10,900 | 255,000 | 315,081 | 255,000 |  |
Repurchase of shares in average price | $ 21.40 | $ 21.30 | $ 22.27 | $ 21.30 |  |
Stock Repurchase Plan [Member] | Third Repurchase Program [Member] |  |  |  |  |  |
Repurchase of stock during the period, shares |  |  | 20,200 |  |  |
Repurchase of shares in average price |  |  | $ 21.17 |  |  |
Stock Repurchase Plan [Member] | Four Repurchase Program [Member] |  |  |  |  |  |
Repurchase of stock during the period, shares |  |  | 297,681 |  |  |
Stock Yet To Be Repurchased | 22,795 |  | 22,795 |  |  |

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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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