LOANS - Troubled debt restructurings (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Quantity
Residential real estate	$ 2	$ 3
Commercial real estate
Commercial and industrial	1	1
Troubled debt restructurings	3	4
Rate reduction		2
Rate reduction and debt consolidation	1	1
Rate reduction and interest only pursuant to sale	1	1
Rate reduction and term extension	1	1
Troubled debt restructurings	3	5
Pre-modification balance
Residential real estate	836	1,906
Commercial real estate
Commercial and industrial	91	91
Troubled debt restructurings	927	1,997
Rate reduction		1,070
Rate reduction and debt consolidation	91	91
Rate reduction and interest only pursuant to sale	758	758
Rate reduction and term extension	78	78
Troubled debt restructurings	927	1,997
Post-modification balance
Residential real estate	836	1,906
Commercial real estate
Commercial and industrial	91	91
Troubled debt restructurings	927	1,997
Rate reduction		1,070
Rate reduction and debt consolidation	91	91
Rate reduction and interest only pursuant to sale	758	758
Rate reduction and term extension	78	78
Troubled debt restructurings	$ 927	$ 1,997