CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - 3 months ended Mar. 31, 2018 - USD ($) $ in Thousands |
Common Stock |
Capital in Excess of Par Value |
Retained Earnings |
Accumulated Other Comprehensive Income (Loss) |
Total |
|---|---|---|---|---|---|
| Balance at Dec. 31, 2017 | $ 3,457 | $ 68,127 | $ (1,980) | $ 69,604 | |
| Balance (in shares) at Dec. 31, 2017 | 34,572 | ||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | |||||
| Stock issued for stock incentive plans, net | $ 20 | $ 496 | 516 | ||
| Stock issued for stock incentive plans, net (in shares) | 194 | ||||
| Stock purchased and retired | $ (20) | $ (496) | (2,419) | (2,935) | |
| Stock purchased and retired (in shares) | (200) | ||||
| Net income | 7,609 | 7,609 | |||
| Pension adjustment, net of taxes | 19 | 19 | |||
| Unrealized gain on securities, net of taxes and reclassification adjustment | 7 | 7 | |||
| Dividends paid | (3,465) | (3,465) | |||
| Balance at Mar. 31, 2018 | $ 3,457 | $ 69,852 | $ (1,954) | $ 71,355 | |
| Balance (in shares) at Mar. 31, 2018 | 34,566 |