XML 51 R40.htm IDEA: XBRL DOCUMENT v3.20.2
Net Income Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Earnings Per Share [Abstract]            
Net income $ 33,586 $ 12,200 $ 27,718 $ 11,389 $ 45,786 $ 39,107
Computation of basic and diluted net income per common share            
Weighted average common shares outstanding during the period (for basic calculation) 39,312   39,087   39,238 38,986
Dilutive effect of other potential common shares 75   112   143 199
Weighted average common shares and potential common shares (for diluted calculation) 39,387   39,199   39,381 39,185
Net income per common share - Basic $ 0.85   $ 0.71   $ 1.17 $ 1.00
Net income per common share - Diluted $ 0.85   $ 0.71   $ 1.16 $ 1.00
Stock awards [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]            
Antidilutive stock awards 100   200   100 200