XML 19 R8.htm IDEA: XBRL DOCUMENT v3.19.2
CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
CONSOLIDATED STATEMENTS OF EQUITY    
Issuance of shares of common stock upon exercise of stock options   12,500
Purchase of shares of common stock 28,393 72,922
Dividends declared on common stock (dollars per per share) $ 0.34 $ 0.34