XML 38 R6.htm IDEA: XBRL DOCUMENT v3.6.0.2
Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income [Member]
Balance, value at Dec. 31, 2013 $ 321,175 $ 21 $ 73,501 $ 244,266 $ 3,387
Balance, shares at Dec. 31, 2013   20,169,211      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 51,806 $ 0 0 51,806 0
Unrealized loss on investment, net of tax effect 301 0 0 0 301
Reclassification adjustment for gain realized on investment, net of tax (1,171)       (1,171)
Share-based compensation 909 0 1,031 (122) 0
Exercise of stock options and similar instruments, value 1,439 $ 0 1,439 0 0
Exercise of stock options and similar instruments, shares   80,796      
Employee stock purchase plan, value $ 839 $ 0 839 0 0
Employee stock purchase plan, shares 35,682 35,682      
Dividend reinvestment and stock purchase plan, value $ 34 $ 0 34 0 0
Dividend reinvestment and stock purchase plan, shares   1,151      
Dividends (15,177) $ 0 0 (15,177) 0
Balance, value at Dec. 31, 2014 360,155 $ 21 76,844 280,773 2,517
Balance, shares at Dec. 31, 2014   20,286,840      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 37,882 $ 0 0 37,882 0
Unrealized loss on investment, net of tax effect (206) 0 0 0 (206)
Reclassification adjustment for gain realized on investment, net of tax 0        
Share-based compensation 1,489 0 1,603 (114) 0
Exercise of stock options and similar instruments, value (111) $ 0 (111) 0 0
Exercise of stock options and similar instruments, shares   61,791      
Employee stock purchase plan, value $ 895 $ 0 895 0 0
Employee stock purchase plan, shares 33,318 33,318      
Dividends $ (15,885) $ 0 0 (15,885) 0
Balance, value at Dec. 31, 2015 $ 383,783 $ 21 79,231 302,220 2,311
Balance, shares at Dec. 31, 2015 20,381,949 20,381,949      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cumulative effect of change in accounting principle, net of tax $ (436)     (436)  
Net income 52,839 $ 0 0 52,839 0
Unrealized loss on investment, net of tax effect 955 0 0 0 955
Reclassification adjustment for gain realized on investment, net of tax (1,742)       (1,742)
Share-based compensation 1,577 0 1,691 (114) 0
Exercise of stock options and similar instruments, value (161) $ 0 (161) 0 0
Exercise of stock options and similar instruments, shares   44,062      
Employee stock purchase plan, value $ 954 $ 0 954 0 0
Employee stock purchase plan, shares 30,214 30,214      
Dividends $ (16,559) $ 0 0 (16,559) 0
Balance, value at Dec. 31, 2016 $ 421,646 $ 21 $ 81,715 $ 338,386 $ 1,524
Balance, shares at Dec. 31, 2016 20,456,225 20,456,225