Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Dividends Payable [Line Items]
Dividends Declared Per Share (in dollars per share)	$ 0.48	$ 0.48
Dividends	$ 4,734
First Quarter Dividend [Member]
Dividends Payable [Line Items]
Record Date	Sep. 13, 2016
Payment Date	Sep. 27, 2016
Type	Quarterly
Dividends Declared Per Share (in dollars per share)	$ 0.12
Dividends	$ 1,182
Second Quarter Dividend [Member]
Dividends Payable [Line Items]
Record Date	Dec. 14, 2016
Payment Date	Dec. 28, 2016
Type	Quarterly
Dividends Declared Per Share (in dollars per share)	$ 0.12
Dividends	$ 1,187
Third Quarter Dividend [Member]
Dividends Payable [Line Items]
Record Date	Mar. 14, 2017
Payment Date	Mar. 28, 2017
Type	Quarterly
Dividends Declared Per Share (in dollars per share)	$ 0.12
Dividends	$ 1,183
Fourth Quarter Dividend [Member]
Dividends Payable [Line Items]
Record Date	Jun. 13, 2017
Payment Date	Jun. 27, 2017
Type	Quarterly
Dividends Declared Per Share (in dollars per share)	$ 0.12
Dividends	$ 1,182

Aggregate dividends declared during the period for each share of common stock outstanding.

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

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- Definition

Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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 2: http://www.xbrl.org/2003/role/presentationRef
-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

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

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No definition available.

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Describes the declaration as being a special dividend (over and above the normal dividend); as the annual, semi-annual, quarterly dividend, or other normal periodic dividend; or as some other type of dividend.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

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-Publisher FASB
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