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Summary of Significant Accounting Policies (Detail Textuals) - USD ($) shares in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 19, 2015	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2017	Mar. 17, 2015
Significant Accounting Policies [Line Items]
Payment for common stock		$ 50	$ 70,409
Common shares outstanding		7,753		7,810
Tender Offer
Significant Accounting Policies [Line Items]
Purchase of common stock	4,700
Payment for common stock	$ 70,500
Percentage of aggregate number of common shares purchased					38.00%
Common shares outstanding	7,700

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Line item represents significant accounting policies.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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The cash outflow to reacquire common stock during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6513228

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Number of new stock issued during the period.

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