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Capital (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Cash dividends declared | $ 7.5 | $ 5.0
Minimum |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
New Accounting Pronouncement, Transition Guidance Not Significant or Not Practical | Two years |
Maximum |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
New Accounting Pronouncement, Transition Guidance Not Significant or Not Practical | Four years |

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- Definition Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 Reference 2: 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 + Details
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