Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities - Fair Value of Derivative Instruments on the Balance Sheet (Details)

v2.4.0.8
Derivative Instruments and Hedging Activities - Fair Value of Derivative Instruments on the Balance Sheet (Details) (Interest Rate Swap Contracts [Member], USD $)
Jun. 30, 2013
Dec. 31, 2012
Derivatives Designated as Hedging Instrument [Member] | Other Assets [Member]
   
Derivatives, Fair Value [Line Items]    
Asset Derivatives, Fair Value $ 811,084 $ 0
Derivatives Designated as Hedging Instrument [Member] | Other Liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Liability Derivatives, Fair Value 5,023,026 5,590,519
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Liability Derivatives, Fair Value $ 0 $ 2,624,063