XML 64 R52.htm IDEA: XBRL DOCUMENT v3.3.1.900
Benefit Plans, Share-based Compensation Stock Option by Exercise Price Range (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
401(k) Plan [Abstract]    
Maximum percentage of compensation employees may defer 50.00%  
Total matching contribution $ 212 $ 186
Employer maximum contribution to plan 35.00% 50.00%
Percentage of participants contribution 6.00% 4.00%
Safe harbor non-elective contribution 3.00% 3.00%
Safe harbor non-elective contribution $ 416 $ 391