Consolidated Statements of Operations (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Portfolio Income
Interest income	$ 2,479,678	$ 1,084,653	$ 4,005,840	$ 2,323,237
Interest expense	360,853	108,256	607,559	181,639
Net interest income, before interest on junior subordinated notes	2,118,825	976,397	3,398,281	2,141,598
Interest expense on junior subordinated notes	248,367	261,094	495,565	526,184
Net interest income	1,870,458	715,303	2,902,716	1,615,414
Unrealized losses on mortgage-backed securities	(10,412,972)	(1,450,740)	(10,885,051)	(1,720,031)
Realized (losses) gains on mortgage-backed securities	(933,940)	197,373	(873,987)	170,385
Gains (losses) on Eurodollar futures	7,071,631	(263,000)	6,596,069	(425,338)
Net portfolio income	(2,404,823)	(801,064)	(2,260,253)	(359,570)
Other income:
Gains (losses) on retained interests in securitizations	(229,647)	1,773,935	1,755,179	3,467,427
Other income (expense)	3,031,023	(22,973)	3,028,544	(22,799)
Total other income	2,801,376	1,750,962	4,783,723	3,444,628
Expenses
Compensation and related benefits	421,727	411,960	852,971	839,372
Directors fees and liability insurance	222,305	130,325	390,707	273,894
Orchid Island Capital, Inc. IPO expenses	546	0	3,042,322	0
Audit, legal and other professional fees	366,226	291,007	722,942	707,307
Direct REIT operating expenses	98,767	136,843	233,672	272,378
Other administrative	177,989	170,991	381,628	344,339
Total expenses	1,287,560	1,141,126	5,624,242	2,437,290
Net (loss) income	(891,007)	(191,228)	(3,100,772)	647,768
Less: Loss attributable to noncontrolling interests	(1,091,947)	0	(530,963)	0
Net (Loss) Income attributable to Bimini Capital stockholders	$ 200,940	$ (191,228)	$ (2,569,809)	$ 647,768
[CommonClassAMember]
Basic and Diluted Net (loss) income Per Share of:
Basic	$ 0.02	$ (0.02)	$ (0.24)	$ 0.06
Diluted	$ 0.02	$ (0.02)	$ (0.24)	$ 0.06
Weighted Average Shares Outstanding
Weighted Average Number Of Basic Shares Outstanding	10,984,756	10,252,672	10,626,491	10,550,853
Weighted Average Number Of Diluted Shares Outstanding	10,984,756	10,252,672	10,626,491	10,550,853
[CommonClassBMember]
Basic and Diluted Net (loss) income Per Share of:
Basic	$ 0.02	$ (0.02)	$ (0.24)	$ 0.06
Diluted	$ 0.02	$ (0.02)	$ (0.24)	$ 0.06
Weighted Average Shares Outstanding
Weighted Average Number Of Basic Shares Outstanding	31,938	31,938	31,938	31,938
Weighted Average Number Of Diluted Shares Outstanding	31,938	31,938	31,938	31,938