Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015		Dec. 31, 2014
Summary of financial assets and liabilities measured at fair value on a recurring basis
Interest Rate Swap (1)	$ (128,766)	[1]	$ (39,685)	[1]
Total	67,789,217		63,516,276
Fair Value, Inputs, Level 1 [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Interest Rate Swap (1)	0	[1]	0	[1]
Total	67,917,983		63,555,961
Fair Value, Inputs, Level 2 [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Interest Rate Swap (1)	(128,766)	[1]	(39,685)	[1]
Total	(128,766)		(39,685)
Fair Value, Inputs, Level 3 [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Interest Rate Swap (1)	0	[1]	0	[1]
Total	0		0
Preferred Stock [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Securities available for sale	18,466,750		19,045,983
Preferred Stock [Member] | Fair Value, Inputs, Level 1 [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Securities available for sale	18,466,750		19,045,983
Preferred Stock [Member] | Fair Value, Inputs, Level 2 [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Securities available for sale	0		0
Preferred Stock [Member] | Fair Value, Inputs, Level 3 [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Securities available for sale	0		0
Common Stock [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Securities available for sale	49,451,233		44,509,978
Common Stock [Member] | Fair Value, Inputs, Level 1 [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Securities available for sale	49,451,233		44,509,978
Common Stock [Member] | Fair Value, Inputs, Level 2 [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Securities available for sale	0		0
Common Stock [Member] | Fair Value, Inputs, Level 3 [Member]
Summary of financial assets and liabilities measured at fair value on a recurring basis
Securities available for sale	$ 0		$ 0

[1] Included in accrued liabilities and deposits