XML 57 R6.htm IDEA: XBRL DOCUMENT v2.4.0.8
Consolidated Statements of Changes in Shareholders' Equity (USD $)
In Thousands, except Share data, unless otherwise specified
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income [Member]
Balance, value at Dec. 31, 2010 $ 255,032 $ 9,662 $ 23,443 $ 219,568 $ 2,359
Balance, shares at Dec. 31, 2010   18,551,540      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 20,878 0 0 20,878 0
Unrealized loss on investment, net of tax effect (85) 0 0 0 (85)
Share-based compensation 522 0 651 (129) 0
Exercise of stock options and similar instruments, value (84) 7 (91) 0 0
Exercise of stock options and similar instruments, shares   13,896      
Employee stock purchase plan, value 525 14 511 0 0
Dividends (12,823) 0 0 (12,823) 0
Employee stock purchase plan, shares 25,712 25,712      
Dividend reinvestment and stock purchase plan, value 39 1 38 0 0
Dividend reinvestment and stock purchase plan, shares   1,679      
Balance, value at Dec. 31, 2011 264,004 9,684 24,552 227,494 2,274
Balance, shares at Dec. 31, 2011   18,592,827      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 22,318 0 0 22,318 0
Unrealized loss on investment, net of tax effect 36 0 0 0 36
Share-based compensation 436 0 564 (128) 0
Exercise of stock options and similar instruments, value 370 23 347 0 0
Exercise of stock options and similar instruments, shares   44,784      
Employee stock purchase plan, value 588 15 573 0 0
Dividends (13,231) 0 0 (13,231) 0
Employee stock purchase plan, shares 29,468 29,468      
Dividend reinvestment and stock purchase plan, value 83 2 81 0 0
Dividend reinvestment and stock purchase plan, shares   3,487      
Balance, value at Dec. 31, 2012 274,604 9,724 26,117 236,453 2,310
Balance, shares at Dec. 31, 2012 18,670,566 18,670,566      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 22,384 0 0 22,384 0
Unrealized loss on investment, net of tax effect 1,077 0 0 0 1,077
Share-based compensation 784 0 912 (128) 0
Exercise of stock options and similar instruments, value 69 23 46 0 0
Exercise of stock options and similar instruments, shares   43,665      
Employee stock purchase plan, value 722 16 706 0 0
Dividends (14,443) 0 0 (14,443) 0
Employee stock purchase plan, shares 30,869 30,869      
Dividend reinvestment and stock purchase plan, value 84 2 82 0 0
Common stock issued, shares   1,421,000      
Common stock issued 35,894 740 35,154 0 0
Dividend reinvestment and stock purchase plan, shares   3,111      
Balance, value at Dec. 31, 2013 $ 321,175 $ 10,505 $ 63,017 $ 244,266 $ 3,387
Balance, shares at Dec. 31, 2013 20,169,211 20,169,211