CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares shares in Thousands	Mar. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.10	$ 0.10
Preferred stock, shares authorized	1,000	1,000
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	83,333	83,333
Common stock, shares issued	21,573	21,573
Treasury stock, at cost; 998 and 914 shares at March 31, 2019 and December 31, 2018, respectively	998	914