Quarterly report pursuant to Section 13 or 15(d)

GUARANTORS OF SECURITIES (Condensed Balance Sheet - Additional Information) (Details)

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GUARANTORS OF SECURITIES (Condensed Balance Sheet - Additional Information) (Details) - $ / shares
Mar. 31, 2020
Dec. 31, 2019
Guarantees [Abstract]    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 60,000,000 60,000,000
Common stock, shares outstanding (in shares) 21,756,272 21,285,613
Treasury shares (in shares) 1,236,282 1,152,826