Regulatory Capital Matters (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
Apr. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier One Leverage Capital Required to be Well Capitalized to Average Assets		5.00%	5.00%
Capital Required to be Well Capitalized to Risk Weighted Assets		10.00%	10.00%
Percent of Qualified Thrift Lender test requires		65.00%
Opening Balance in Liquidation Account		$ 14,300
Future percent, common equity of risk-weighted assets		2.50%
Preferred Class B [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Dividends paid	$ 187
CF Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier One Leverage Capital Required to be Well Capitalized to Average Assets		8.00%	8.00%
Capital Required to be Well Capitalized to Risk Weighted Assets		12.00%	12.00%

Future percent, additional amount of common equity of risk-weighted assets

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- Definition

Minimum percentage of assets to be maintained in housing-related finance and other specified areas as per qualified thrift lender test.

+ References

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- Definition

Opening balance in liquidation account.

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- Definition

The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 505

-Section 50

-Paragraph 1

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in payment-in-kind (PIK).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 405

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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- Definition

The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

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