Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (unaudited) (Parenthetical)

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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (unaudited) (Parenthetical)
3 Months Ended
Mar. 31, 2018
$ / shares
shares
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Cash dividend per share (in dollars per share) | $ / shares $ 0.06
Common Stock [Member]  
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Number of shares repurchased for taxes withheld on vested restricted stock (in shares) 452
Number of shares issued for stock option exercise (in shares) 45,000