3. Employee Retirement Benefit Plans (Details) - USD ($) $ in Thousands	1 Months Ended
Apr. 30, 2015	Jun. 30, 2017	Apr. 21, 2015
Pension Plan Settlement Agreement, Payment Schedule	payment of ten annual installments of $750 to the Pension Benefit Guaranty Corporation due annually on October 31
Pension Settlement Obligation, Interest Rate			7.00%
Supplemental Executive Retirement Plan
Expected Future Benefit Payments, Next Twelve Months		$ 500

Represents the description of Pension Plan Settlement Agreement, Payment Schedule, during the indicated time period.

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

+ Details

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- Details

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