Consolidated Statement of Stockholders’ Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance, January 1, 2013 at Dec. 31, 2012	$ 285	$ 86,576	$ 75,118	$ 30	$ 162,009
Balance, January 1, 2013 (in Shares) at Dec. 31, 2012	28,529
Stock-based compensation		600			600
Net income			5,468		5,468
Increase in value of marketable equity securities available for sale, net of tax				174	174
Balance, March 31, 2013 at Mar. 31, 2013	$ 285	$ 87,176	$ 80,586	$ 204	$ 168,251
Balance, March 31, 2013 (in Shares) at Mar. 31, 2013	28,529