CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)	Total	Common Stock	Additional Paid- In Capital	Retained Earnings	Accumulated other comprehensive income	Treasury Stock
Balance at Dec. 31, 2013	$ 98,416,000	$ 13,000	$ 0	$ 97,700,000	$ 703,000	$ 0
Balance (in shares) at Dec. 31, 2013		13,143,309
Shares issued to executives and directors (in shares)		352,032
Share-based compensation to executives and directors	1,858,000		1,858,000
Share-based compensation tax benefit	51,000		51,000
Treasury stock purchases	(33,894,000)					(33,894,000)
Treasury stock retirement	0	(1,000)	(1,909,000)	(31,984,000)		33,894,000
Treasury stock retirement (in shares)		(1,127,092)
Net income	16,542,000			16,542,000
Net change in unrealized gain on investments	(421,000)				(421,000)
Balance at Sep. 30, 2014	$ 82,552,000	$ 12,000	$ 0	$ 82,258,000	$ 282,000	$ 0
Balance (in shares) at Sep. 30, 2014		12,368,249