Related Party Transactions (Details) (USD $)	12 Months Ended						3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2011 Short-term Bridge Loans [Member]	Dec. 31, 2012 Short-term Bridge Loans [Member]	Dec. 31, 2012 Related Party Lender [Member]	Dec. 31, 2011 Related Party Lender [Member]	Jun. 30, 2011 Related Party Lender [Member] Letter of Credit [Member]	Dec. 31, 2011 Related Party Lender [Member] Letter of Credit [Member]	Mar. 31, 2011 Related Party Lender [Member] Letter of Credit [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity under the agreement									$ 500,000
Initially agreed amount of note									100,000
Additional borrowing under line of credit							400,000
Interest rate of bearer notes (in hundredths)								12.00%
Short-term Debt [Line Items]
Borrowings under bridge loans from affiliates	367,500	280,000	280,400
Repayment on bridge loans from affiliates	40,000	40,600	41,000
Short-term Debt			$ 239,400	$ 239,400	$ 239,400	$ 239,400
Debt instrument, interest rate (in hundredths)	8.00%