Quarterly report pursuant to Section 13 or 15(d)

Net Income Per Share (Details)

v3.20.1
Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Earnings Per Share, Basic, Two Class Method [Abstract]    
Net income and comprehensive income $ 8,375 $ 18,407
Income allocated to participating securities (67) (208)
Numerator for basic and diluted income per share - net income $ 8,308 $ 18,199
Denominator for basic income per share - weighted-average shares 27,846 28,530
Denominator for diluted income per share - adjusted weighted-average shares 27,948 28,648
Basic income per share (dollars per share) $ 0.30 $ 0.64
Diluted income per share (dollars per share) $ 0.30 $ 0.64
Total number anti-dilutive options, non-vested shares, and performance shares excluded from income per diluted share computation 302 203
Equity Option [Member]    
Earnings Per Share, Basic, Two Class Method [Abstract]    
Effect of dilutive stock options and non-vested shares 55 76
Total number anti-dilutive options, non-vested shares, and performance shares excluded from income per diluted share computation 203 195
Key Employee Performance Share Based Plan [Member]    
Earnings Per Share, Basic, Two Class Method [Abstract]    
Effect of dilutive stock options and non-vested shares 47 42
Total number anti-dilutive options, non-vested shares, and performance shares excluded from income per diluted share computation 24 8
Nonvested Shares and Deferred Stock Units [Member]    
Earnings Per Share, Basic, Two Class Method [Abstract]    
Total number anti-dilutive options, non-vested shares, and performance shares excluded from income per diluted share computation 75 0