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Comprehensive Income - Schedule of Comprehensive Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2019 | Mar. 31, 2018
Comprehensive Income Net Of Tax [Abstract] |  |  |  |  |
Net unrealized holding gain (loss) on securities available for sale |  | $ 5,122 | $ (2,045) | $ 1,453 | $ (2,123)
Amortization of net unrealized holding loss on securities available for sale transferred to held to maturity | [1] | 54 | 32 | 221 | 135
Realized loss on securities available for sale |  | 182 |  | 182 |
Fair value adjustments on derivatives |  | (7,139) | 12,323 | (16,913) | 21,457
Amortization of actuarial loss |  | 11 | 12 | 33 | 34
Net actuarial loss | [2] |  |  | (59) | (83)
Net change in benefit plan accrued expense |  | 11 | 12 | (26) | (49)
Other comprehensive (loss) income before taxes |  | (1,770) | 10,322 | (15,083) | 19,420
Stranded tax effects | [3] |  |  |  | (1,381)
Tax effect | [4] | 547 | (2,941) | 4,127 | (5,290)
Total Other Comprehensive (Loss) Income |  | $ (1,223) | $ 7,381 | $ (10,956) | $ 12,749
[1] | Represents amounts reclassified out of accumulated other comprehensive income and included in interest income on taxable securities.
[2] | Represents amounts reclassified out of accumulated other comprehensive income and included in the computation of net periodic pension expense. See Note 15 – Benefit Plans for additional information.
[3] | Represents amounts reclassified from accumulated other comprehensive income that did not reflect the appropriate tax rate.
[4] | The amounts included in income taxes for items reclassified out of accumulated other comprehensive income totaled $57 and $34 for the three and nine months ended March 31, 2019, respectively, and $3 and $122 for the three and nine months ended March 31, 2018.

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- Definition Other comprehensive income (loss), reclassification adjustment from AOCI, pension and other postretirement benefit plans, for actuarial net gain (loss), before tax. + References No definition available. + Details
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- Definition Other comprehensive income (loss), stranded tax effects. + References No definition available. + Details
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- Definition Other comprehensive income reclassification amortization of unrealized holding gain loss on securities transferred from available for sale to held to maturity before tax. + References No definition available. + Details
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- Definition Amount before tax, after reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33775-111570 + Details
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- Definition Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 + Details
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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669619-108580 Reference 2: 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 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109228884&loc=d3e1436-108581 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669625-108580 + Details
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- Definition Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580 + Details
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- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e689-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL34724391-108580 + Details
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