STOCKHOLDERS' EQUITY - Common stock (Details) - $ / shares	Dec. 31, 2022	Dec. 31, 2021
STOCKHOLDERS' EQUITY
Common stock, authorized shares	100,000,000	100,000,000
Common stock no par value (in dollars per share)	$ 0	$ 0
Common stock, outstanding shares	29,937,159	33,484,935
Common stock in treasury - at cost, shares	4,087,145	528,169
Common shares reserved for future issuance	379,595

Aggregate number of common shares reserved for future issuance.

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-Topic 210
-SubTopic 10
-Section S99
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- Definition

Face amount per share of no-par value common stock.

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-Topic 210
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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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