XML 76 R58.htm IDEA: XBRL DOCUMENT v3.6.0.2
SUBSEQUENT EVENTS (Detail Textuals) - $ / shares
3 Months Ended 12 Months Ended
Mar. 14, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Subsequent Event [Line Items]                                
Cash dividend declared per share   $ 0.17 $ 0.17 $ 0.17 $ 0.17 $ 0.16 $ 0.16 $ 0.16 $ 0.16         $ 0.68 $ 0.64 $ 0.60
Dividends payable, payment date   Dec. 12, 2016 Sep. 19, 2016 Jun. 20, 2016 Mar. 28, 2016 Dec. 11, 2015 Sep. 21, 2015 Jun. 19, 2015 Mar. 23, 2015 Dec. 15, 2014 Sep. 22, 2014 Jun. 23, 2014 Mar. 24, 2014      
Dividends payable record date   Dec. 05, 2016 Sep. 12, 2016 Jun. 13, 2016 Mar. 21, 2016 Dec. 07, 2015 Sep. 14, 2015 Jun. 15, 2015 Mar. 20, 2015 Dec. 08, 2014 Sep. 15, 2014 Jun. 16, 2014 Mar. 17, 2014      
Subsequent Event                                
Subsequent Event [Line Items]                                
Cash dividend declared per share $ 0.18                              
Dividends payable, declared date Mar. 14, 2017                              
Dividends payable, payment date Apr. 03, 2017                              
Dividends payable record date Mar. 27, 2017