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SUBSEQUENT EVENTS (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	May 06, 2019	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Subsequent Event [Line Items]
Dividends payable, declared date	May 06, 2018
Dividend (per share)	$ 0.18	$ 0.18	$ 0.18
Dividends payable, payment date	Jun. 17, 2019
Dividends payable, record date	Jun. 10, 2019
Proceeds from Lines of Credit		$ 15,000
Revolving Credit Facility | First Tennessee Bank National Association
Subsequent Event [Line Items]
Line of credit outstanding borrowings		$ 30,000		$ 15,000

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
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- Definition

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

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- Definition

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

+ References

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X

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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