Annual report pursuant to Section 13 and 15(d)

Consolidated Statement of Stockholders' Equity (Parentheticals)

v3.8.0.1
Consolidated Statement of Stockholders' Equity (Parentheticals)
 12 Months Ended
Dec. 31, 2017
$ / shares
shares
Dec. 31, 2016
$ / shares
shares
Dec. 31, 2015
$ / shares
shares
Dividend Paid [Member]      
Common dividends, per share paid (in dollars per share) | $ / shares $ 0.15 $ 0.12 $ 0.09
Dividend Declared [Member]      
Common dividends, per share declared (in dollars per share) | $ / shares $ 0.05 $ 0.04 $ 0.03
Noncontrolling Interest [Member]      
Issue shares of REIT preferred (in shares) 125   125
Preferred Stock [Member]      
Stock redeemed or called (in shares)     40,000
Additional Paid-in Capital [Member]      
Issuance of common stock, shares (in shares) 385,500 682,500  
Shares withheld in net settlement upon exercise of stock options (in shares) 35,010    
Stock issued during period, acquisitions (in shares)     1,273,184
Issuance of common stock, shares (in shares)     1,051,000
Stockholders' equity note, stock split   2