XML 50 R37.htm IDEA: XBRL DOCUMENT v3.7.0.1
ACCOUNTING FOR STOCK BASED COMPENSATION, Stock Option Awards (Details) - Stock Option Awards [Member] - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Number of Options [Roll Forward]        
Options outstanding, beginning of period (in shares)     209,254  
Options granted (in shares)     0  
Options exercised (in shares)     (42,179)  
Options outstanding, end of period (in shares) 167,075   167,075  
Options vested and exercisable, end of period (in shares) 167,075   167,075  
Weighted-Average Exercise Price [Abstract]        
Options outstanding, beginning of period (in dollars per share)     $ 15.48  
Options granted (in dollars per share)     0  
Options exercised (in dollars per share)     14.87  
Options outstanding, end of period (in dollars per share) $ 15.64   15.64  
Options vested and exercisable. end of period (in dollars per shares) $ 15.64   $ 15.64  
Weighted-Average Remaining Contractual Years [Abstract]        
Options outstanding     2 years 1 month 6 days  
Options vested and exercisable     2 years 1 month 6 days  
Aggregate Intrinsic Value [Abstract]        
Options outstanding $ 662   $ 662  
Options vested and exercisable 662   662  
Information Related to Stock Option Plans [Abstract]        
Cash received for option exercise cost 2 $ 2,900 626 $ 2,900
Income tax benefit recognized on stock option exercises(1) [1] 0 64 69 64
Intrinsic value of options exercised $ 1 $ 732 $ 276 $ 732
Number of grants in period (in shares) 0 0 0 0
[1] Effective January 1, 2017, income tax benefits were recognized as discrete items in income tax expense in accordance to ASU 2016-09. Prior to January, 1, 2017, income tax benefits were recognized through additional paid in capital.