Significant Accounting Policies - Liquidity (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Dec. 31, 2011
Significant Accounting Policies [Abstract]
Cash And Cash Equivalents At Carrying Value	$ 8,649,231	$ 5,452,552	$ 8,649,231	$ 5,452,552	$ 6,592,561	$ 4,300,785
Orchid Island Capital Offering Expenses	546	0	3,042,322	0
Bimini Ownership of Orchid Island Capital, Inc.	29.38%		29.38%		100.00%
Stockholders Equity	1,265,945		1,265,945		3,516,772
Noncontrolling Interests	33,316,400		33,316,400		0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	34,582,345		34,582,345		3,516,772
Principal and Interest Payments Received on MBS			24,300,000
Payments received on retained interests in securitizations			$ 1,628,594	$ 2,187,752