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Related Party Transactions - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended				1 Months Ended	12 Months Ended		1 Months Ended		3 Months Ended	1 Months Ended			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Aug. 27, 2010 Related parties [Member]	Sep. 30, 2012 Subordinated Notes [Member]	Dec. 31, 2010 Subordinated Notes [Member]	Aug. 27, 2010 Subordinated Notes [Member]	Sep. 30, 2012 Resource Securities, Inc. [Member]	Mar. 31, 2010 Rights offering [Member]	Mar. 31, 2010 RAIT [Member]	Jun. 30, 2010 Star Asia [Member]	Mar. 31, 2010 Star Asia [Member] Rights offering [Member]	Mar. 31, 2010 Star Asia SPV [Member] Rights offering [Member]	Dec. 31, 2010 Cohen & Company Securities, LLC [Member]	Aug. 27, 2010 Cohen & Company Securities, LLC [Member] Subordinated Notes [Member]	Aug. 27, 2010 Daniel G.Cohen [Member] Subordinated Notes [Member] Related parties [Member]	Aug. 27, 2010 Christopher Ricciardi [Member] Subordinated Notes [Member] Related parties [Member]	Aug. 27, 2010 Messrs. Cohen [Member] Subordinated Notes [Member]	Aug. 27, 2010 Ricciardi [Member] Subordinated Notes [Member]	Dec. 31, 2012 TBBK [Member]	Dec. 31, 2011 TBBK [Member]	Dec. 31, 2012 Star Asia Special Situations Fund [Member]
Related Party Transaction [Line Items]
Number of shares sold										510,434
Carrying value of shares										$ 669
Unrealized loss on shares sold	1,310	1,084								8,950
Deposits																				36	91
Shares purchased																				2,400
Common stock value in open market																				26
Fair market value																				26
Initial investment																						1,841
Number of common shares or units purchased												2,279,820	1,139,910
Value of common shares or units purchased									5,392			1,334	4,058
Distribution in-kind, value											55
Distribution in-kind, shares											109,890
Principal balance of Subordinated Notes				3,863	1,177										8,081	2,636	1,164
Purchase price including accrued interest					1,139		6,762								6,762			2,206	975
Gain on repurchase of debt	86	33	2,555		83	1,632								1,632
Introducing agent fee expense								$ 6

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The purchase of additional shares or units in related entities.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9



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-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-DEP

-Paragraph 37, 38, 39

-IssueDate 2006-05-01

-Chapter 13

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (a)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 12

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-Publisher FASB

-Name Accounting Standards Codification

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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