Consolidated Statements of Shareholders' Equity - (Unaudited) (Parentheticals)	9 Months Ended
Sep. 30, 2014
Statement of Stockholders' Equity [Abstract]
Number of common shares issued	2,702,703

Represent the number of common stock issued in an initial public offering.

No definition available.

Name:	bwfg_CommonStockSharesIssuedInInitialPublicOffering
Namespace Prefix:	bwfg_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration