CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Common stock	Additional paid-in capital	Unearned compensation	Retained earnings	Accumulated other comprehensive (loss) income	Treasury stock	Total
Balance at Dec. 31, 2013	$ 265	$ 587,247	$ (5,563)	$ 141,958	$ (9,057)	$ (36,788)	$ 678,062
Balance (in shares) at Dec. 31, 2013	25,036
Comprehensive income:
Net loss				(1,106)			(1,106)
Other comprehensive income					8,426		8,426
Total comprehensive income							7,320
Cash dividends declared ($0.18 and $0.19 per share)				(4,561)			(4,561)
Treasury stock purchased						(2,467)	(2,467)
Treasury stock purchased (in shares)	(100)
Forfeited shares		1	5			(6)
Forfeited shares (in shares)	(1)
Exercise of stock options				(793)		1,512	719
Exercise of stock options (in shares)	61
Restricted stock grants		37	(3,144)			3,107
Restricted stock grants (in shares)	126
Stock-based compensation		41	891				932
Net tax benefit related to stock-based compensation		(1,984)					(1,984)
Other, net						(431)	(431)
Other, net (in shares)	(17)
Balance at Mar. 31, 2014	265	585,342	(7,811)	135,498	(631)	(35,073)	677,590
Balance (in shares) at Mar. 31, 2014	25,105
Balance at Dec. 31, 2014	265	585,289	(6,147)	156,446	6,579	(33,145)	709,287
Balance (in shares) at Dec. 31, 2014	25,183
Comprehensive income:
Net loss				8,759			8,759
Other comprehensive income					2,489		2,489
Total comprehensive income							11,248
Cash dividends declared ($0.18 and $0.19 per share)				(4,799)			(4,799)
Forfeited shares		22	214			(236)
Forfeited shares (in shares)	(9)
Exercise of stock options				(165)		281	116
Exercise of stock options (in shares)	11
Restricted stock grants		19	(2,286)			2,267
Restricted stock grants (in shares)	92
Stock-based compensation			993				993
Net tax benefit related to stock-based compensation		(23)					(23)
Other, net						(592)	(592)
Other, net (in shares)	(24)
Balance at Mar. 31, 2015	$ 265	$ 585,307	$ (7,226)	$ 160,241	$ 9,068	$ (31,425)	$ 716,230
Balance (in shares) at Mar. 31, 2015	25,253