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SHAREHOLDERS EQUITY - Dividend Payments (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SHAREHOLDERS EQUITY
Record date	Dec. 06, 2021	Sep. 03, 2021	Jun. 07, 2021	Mar. 15, 2021	Dec. 07, 2020	Sep. 07, 2020	Jun. 08, 2020	Mar. 16, 2020	Dec. 09, 2019	Sep. 09, 2019	Jun. 10, 2019	Mar. 18, 2019
Payment date	Dec. 13, 2021	Sep. 13, 2021	Jun. 14, 2021	Mar. 22, 2021	Dec. 14, 2020	Sep. 14, 2020	Jun. 15, 2020	Mar. 23, 2020	Dec. 16, 2019	Sep. 16, 2019	Jun. 17, 2019	Mar. 25, 2019
Dividends paid (in dollars per share)	$ 0.18	$ 0.18	$ 0.18	$ 0.18	$ 0.18	$ 0.18	$ 0.18	$ 0.18	$ 0.18	$ 0.18	$ 0.18	$ 0.18	$ 0.72	$ 0.72	$ 0.72
Dividend paid, amount	$ 2,054	$ 2,054	$ 2,054	$ 2,054	$ 2,053	$ 2,053	$ 2,053	$ 2,053	$ 2,052	$ 2,053	$ 2,051	$ 2,052	$ 8,216	$ 8,212	$ 8,208

X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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=120397183&loc=d3e187085-122770

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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=120397183&loc=d3e187085-122770

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- Definition

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

+ References

No definition available.

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- References

No definition available.

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