Statement of Shareholders' Equity (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]	Comprehensive Income [Member]
Balance, beginning of year at Dec. 31, 2009	$ 54,058,739	$ 3,885	$ 41,782,274	$ (1,261,503)	$ 322,156	$ 13,211,927	$ 0
Issued during year	0	0	0	0	0	0	0
Treasury shares acquired and retired	(349,675)	(37)	(349,638)	0	0	0	0
Net income attributable to common shareholders	7,596,575	0	0	7,596,575	0	0	7,596,575
Unrealized holding income (loss) on securities net of noncontrolling and reclassification adjustment and taxes	3,357,528	0	0	0	3,357,528	0	3,357,528
Distributions	(561,493)	0	0	0	0	(561,493)	0
Gain attributable to noncontrolling interest	1,026,083	0	0	0	0	1,026,083	0
Balance, end of period at Dec. 31, 2010	65,127,757	3,848	41,432,636	6,335,072	3,679,684	13,676,517	0
Issued during year	4,094,526	50	4,094,476	0	0	0	0
Treasury shares acquired and retired	(475,547)	(43)	(475,504)	0	0	0	0
Net income attributable to common shareholders	6,316,615	0	0	6,316,615	0	0	6,316,615
Unrealized holding income (loss) on securities net of noncontrolling and reclassification adjustment and taxes	8,112,530	0	0	0	8,112,530	0	8,112,530
Contributions	0	0	0	0	0	0	0
Distributions	(3,131,271)	0	0	0	0	(3,131,271)	0
Merger	(6,895,546)	0	0	0	0	(6,895,546)	0
Acquisitions	1,777,900	0	0	0	0	1,777,900	0
Gain attributable to noncontrolling interest	858,084	0	0	0	0	858,084	0
Balance, end of period at Dec. 31, 2011	$ 75,785,048	$ 3,855	$ 45,051,608	$ 12,651,687	$ 11,792,214	$ 6,285,684	$ 14,429,145