Consolidated Statements of Stockholders' Equity (Parenthetical) (Unaudited)	9 Months Ended
	Sep. 30, 2018 $ / shares shares
COMMON STOCK
Shares issued under long term incentive plan	233,113
RETAINED EARNINGS
Cash dividend declared per share of common stock | $ / shares	$ 0.22
TREASURY STOCK, AT COST
Shares issued under long term incentive plan	304,978
Shares retained to cover tax withholdings under the Long Term Incentive Plan	71,865