XML 22 R119.htm IDEA: XBRL DOCUMENT v3.20.1

Subsequent Event (Details)	1 Months Ended
	Mar. 31, 2020
Subsequent Event [Member] | Maximum [Member]
Subsequent Event [Line Items]
Stock Repurchase Program, percentage	3.00%

X

- Definition

Stock Repurchase Program, Percentage

+ References

No definition available.

+ Details

Name:	cfbk_StockRepurchaseProgramPercentage
Namespace Prefix:	cfbk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: