UNAUDITED INTERIM FINANCIAL INFORMATION (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Schedule of unaudited interim financial information

	Three months ended,
	March 31		June 30		September 30		December 31
2013
Total revenues	$	133,842,713	$	138,566,944	$	144,109,477	$	146,686,003
Income (loss) before income tax expense (benefit)	$	20,508,964	$	7,948,655	$	9,564,866	$	22,829,935
Income tax expense (benefit)	6,236,447		1,736,419		2,365,223		6,995,658
Net income (loss)	$	14,272,517	$	6,212,236	$	7,199,643	$	15,834,277
Net income (loss) per common share - basic and diluted (1)	$	1.10	$	0.48	$	0.55	$	1.20

	Three months ended,
	March 31		June 30			September 30		December 31
2012
Total revenues	$	130,073,865	$	120,503,570		$	132,562,158	$	128,727,934
Income (loss) before income tax expense (benefit)	$	27,898,287	$	(5,511,804	)	$	10,750,356	$	18,496,775
Income tax expense (benefit)	8,674,552		(2,935,333		)	2,429,112		5,498,854
Net income (loss)	$	19,223,735	$	(2,576,471	)	$	8,321,244	$	12,997,921
Net income (loss) per common share - basic and diluted (1)	$	1.49	$	(0.20	)	$	0.65	$	1.01

(1) Since the weighted-average number of shares outstanding for the quarters are calculated independently of the weighted-average number of shares outstanding for the year, quarterly net income (loss) per share may not total to annual net income (loss) per share.