LOANS - Troubled debt restructurings (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Quantity
Commercial real estate	$ 6	$ 7
Commercial and industrial		5
Residential real estate		1
Troubled debt restructurings	6	13
Debt consolidation and term extension		4
Rate reduction and term extension	1	3
Rate reduction	2	2
Refinance	1	1
Modification pursuant to bankruptcy	1	1
Seasonal interest only concession		1
Term extension and amortization	1	1
Troubled debt restructurings	6	13
Premodification balace
Commercial real estate	554	2,124
Commercial and industrial		779
Residential real estate		326
Troubled debt restructurings	554	3,229
Debt consolidation and term extension		2,276
Rate reduction and term extension	140	513
Rate reduction	280	280
Refinance	80	80
Modification pursuant to bankruptcy	33	33
Seasonal interest only concession		26
Term extension and amortization	21	21
Troubled debt restructurings	554	3,229
Postmodification balace
Commercial real estate	554	2,124
Commercial and industrial		779
Residential real estate		326
Troubled debt restructurings	554	3,229
Debt consolidation and term extension		2,276
Rate reduction and term extension	140	513
Rate reduction	280	280
Refinance	80	80
Modification pursuant to bankruptcy	33	33
Seasonal interest only concession		26
Term extension and amortization	21	21
Troubled debt restructurings	$ 554	$ 3,229