Annual report pursuant to Section 13 and 15(d)

Selected Quarterly Financial Data New Accounting Pronouncement, Share Based Compensation (Details)

v3.6.0.2
Selected Quarterly Financial Data New Accounting Pronouncement, Share Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]          
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Income $ 2,249 $ 928 $ 3,549 $ 1,565  
New Accounting Pronouncement or Change in Accounting Principle, Effect on Income Taxes $ (2,249) $ (928) $ (3,549) $ (1,565)  
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Basic Earnings Per Share $ 0.04 $ 0.01 $ 0.06 $ 0.02  
New Accounting Pronouncement Impact to Diluted Earnings-per-share $ 0.05 $ 0.01 $ 0.04 $ 0.02 $ 0.12