Condensed Financial Information - Parent Company Only (Statements Of Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Tax benefit	$ 1,285	$ 1,356	$ 1,187	$ 1,363	$ 5,191		$ 4,944		$ 4,462
Net income	3,264	3,533	3,170	3,216	13,183		12,466		11,043
Bar Harbor Bankshares [Member]
Dividend income from subsidiaries					4,883	[1]	4,097	[1]	4,180	[1]
Equity in undistributed earnings of subsidiaries					9,468		9,137		7,505
Bankshares expenses					(1,591)		(1,063)		(865)
Tax benefit					423		295		223
Net income					$ 13,183		$ 12,466		$ 11,043

[1] Amount in parentheses represents the excess of dividends over net income subsidiaries.