CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Statement Of Income and Comprehensive Income [Abstract]
Net Income	$ 1,749,697	$ 2,124,864
Other Comprehensive Income:
Unrealized Holding Gain (Loss) Arising During the Period	5,303,301	(217,276)
Reclassification Adjustment for Net Gains Realized in Income	(1,212,712)	(1,541,856)
Change in Fair Value of Interest Rate Swap Agreement	(29,892)
Comprehensive Income	5,810,394	365,732
Less: Preferred Dividend	(690,319)
Comprehensive Income Attributable to Common Shareholders	$ 5,120,075	$ 365,732