Consolidated Statements of Shareholders' Equity (USD $)	Total USD ($)	Shares Outstanding	Common Stock USD ($)	Deferred Equity Compensation USD ($)	Accumulated Income/(Deficit) USD ($)
Beginning Balance at Dec. 31, 2011	$ 18,050,358		$ 49,995,622	$ (11,539,632)	$ (20,405,632)
Beginning Balance, shares at Dec. 31, 2011		2,995,814
Issuance of restricted stock grants	0		8,139,135	(8,139,135)
Issuance of restricted stock grants, shares		107,600
Amortization of restricted stock grants	4,693,926			4,693,926
Issuance of stock grants	5,540,792		5,540,792
Issuance of stock grants, shares		71,949
Issuance of common stock related to 401k plan match	1,057,056		1,057,056
Issuance of common stock related to 401k plan match, shares		14,239
Tax benefit from dividend payments related to restricted stock grants	1,992,298		1,992,298
Net excess tax benefit from vested restricted stock grants	34,543		34,543
Shares withheld related to employee tax withholding	(1,348,262)		(1,348,262)
Shares withheld related to employee tax withholding (shares)		(17,438)
Forfeiture of restricted stock grants	0		(155,371)	155,371
Forfeiture of restricted stock grants, shares		(2,177)
Cash Dividend Paid of $8.00 in 2012, $3.00 in 2013 and $4.00 in 2014, per share respectively	(25,215,896)				(25,215,896)
Net income	16,930,892				16,930,892
Ending Balance at Dec. 31, 2012	21,735,707		65,255,813	(14,829,470)	(28,690,636)
Ending Balance, shares at Dec. 31, 2012		3,169,987
Issuance of restricted stock grants	0		2,740,030	(2,740,030)
Issuance of restricted stock grants, shares		32,000
Amortization of restricted stock grants	6,161,047			6,161,047
Issuance of stock grants	4,606,008		4,606,008
Issuance of stock grants, shares		59,006
Issuance of common stock related to 401k plan match	1,158,354		1,158,354
Issuance of common stock related to 401k plan match, shares		12,894
Tax benefit from dividend payments related to restricted stock grants	357,188		357,188
Net excess tax benefit from vested restricted stock grants	420,620		420,620
Shares withheld related to employee tax withholding	(1,884,187)		(1,884,187)
Shares withheld related to employee tax withholding (shares)		(16,500)
Forfeiture of restricted stock grants	0		(10,893)	10,893
Forfeiture of restricted stock grants, shares		(140)
Cash Dividend Paid of $8.00 in 2012, $3.00 in 2013 and $4.00 in 2014, per share respectively	(9,766,575)				(9,766,575)
Net income	22,154,828				22,154,828
Ending Balance at Dec. 31, 2013	44,942,990		72,642,933	(11,397,560)	(16,302,383)
Ending Balance, shares at Dec. 31, 2013	3,257,247	3,257,247
Issuance of restricted stock grants	0		7,518,895	(7,518,895)
Issuance of restricted stock grants, shares		31,613
Amortization of restricted stock grants	5,716,035			5,716,035
Issuance of stock grants	3,984,816		3,984,816
Issuance of stock grants, shares		33,745
Issuance of common stock related to 401k plan match	1,356,035		1,356,035
Issuance of common stock related to 401k plan match, shares		10,999
Tax benefit from dividend payments related to restricted stock grants	296,755		296,755
Net excess tax benefit from vested restricted stock grants	666,889		666,889
Shares withheld related to employee tax withholding	(976,343)		(976,343)
Shares withheld related to employee tax withholding (shares)		(7,663)
Forfeiture of restricted stock grants	0		(634,287)	634,287
Forfeiture of restricted stock grants, shares		(8,213)
Cash Dividend Paid of $8.00 in 2012, $3.00 in 2013 and $4.00 in 2014, per share respectively	(13,248,884)				(13,248,884)
Net income	31,580,931				31,580,931
Ending Balance at Dec. 31, 2014	$ 74,319,224		$ 84,855,693	$ (12,566,133)	$ 2,029,664
Ending Balance, shares at Dec. 31, 2014	3,317,728	3,317,728