Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of the required periodic payment applied to interest.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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LONG-TERM OBLIGATIONS (Detail Textuals) - First Tennessee Bank National Association - Revolving Credit Facility - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Mar. 14, 2017	Jun. 22, 2016	Jun. 11, 2015	Dec. 21, 2011	Apr. 06, 2010
Line of Credit Facility [Line Items]
Revolving credit facility				$ 50,000	$ 30,000	$ 25,000	$ 20,000
Description of reference rate basis	LIBOR Market Index Rate
Variable interest rate in addition to reference rate	1.50%
Interest expense on credit facility	$ 341	$ 0
Outstanding borrowings credit facility	$ 5,000	$ 0
Interest rate	2.27%
Subsequent Event
Line of Credit Facility [Line Items]
Outstanding borrowings credit facility			$ 15,000
Minimum
Line of Credit Facility [Line Items]
Non-usage fee for current loan agreement in annual amount percentage	0.15%
Maximum
Line of Credit Facility [Line Items]
Non-usage fee for current loan agreement in annual amount percentage	0.35%