CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2010	$ 142,094	$ 4,975	$ 46,653	$ 107,263	$ (13,549)	$ (3,248)
Net income	23,009			23,009
Cash dividends	(6,279)			(6,279)
Stock dividend	(27)	470	33,643	(34,140)
Other comprehensive income (loss):
Net unrealized loss on securities available for sale, net of tax	7,268
Reclassification adjustments for gains included in net income, net of tax	(28)
FASB ASC 715 adjustment, net of tax	(6,713)
Issuance of common shares pursuant to stock-based compensation plan, net	(83)		(519)		436
Exercise of stock options and SARs	(51)		(196)		145
Stock-based compensation expense	1,390		1,390
Foreign currency translation	(32)
Other comprehensive income (loss)						495
Balance at Dec. 31, 2011	160,548	5,445	80,971	89,853	(12,968)	(2,753)
Net income	23,303			23,303
Cash dividends	(7,361)			(7,361)
Stock dividend	(42)	521	44,280	(44,843)
Other comprehensive income (loss):
Net unrealized loss on securities available for sale, net of tax	1,756
Reclassification adjustments for gains included in net income, net of tax	(1,712)
FASB ASC 715 adjustment, net of tax	(3,384)
Issuance of common shares pursuant to stock-based compensation plan, net	82		(310)		392
Exercise of stock options and SARs	(574)		(1,254)		680
Stock-based compensation expense	1,399		1,399
Foreign currency translation
Other comprehensive income (loss)						(3,340)
Balance at Dec. 31, 2012	174,015	5,966	125,086	60,952	(11,896)	(6,093)
Net income	23,497			23,497
Cash dividends	(8,510)			(8,510)
Other comprehensive income (loss):
Issuance of common shares pursuant to stock-based compensation plan, net	(247)		(755)		508
Exercise of stock options and SARs	(836)		(1,244)		408
Stock-based compensation expense	1,975		1,975
Foreign currency translation	53
Other comprehensive income (loss)	533					533
Balance at Dec. 31, 2013	$ 190,427	$ 5,966	$ 125,062	$ 75,939	$ (10,980)	$ (5,560)