LOANS - Troubled debt restructurings (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014 Integer	Mar. 31, 2013 Integer
Residential real estate
Quantity of troubled debt restructurings	1
Pre-modification balance	$ 48
Post-modification balance	48
Commercial real estate
Quantity of troubled debt restructurings	1	2
Pre-modification balance	250	1,022
Post-modification balance	250	1,022
Home equity credit
Quantity of troubled debt restructurings	1
Pre-modification balance	30
Post-modification balance	30
Total Troubled debt restructurings
Quantity of troubled debt restructurings	3	2
Pre-modification balance	328	1,022
Post-modification balance	328	1,022
Rate reduction
Quantity of troubled debt restructurings		2
Pre-modification balance		1,022
Post-modification balance		1,022
Interest only and term extension
Quantity of troubled debt restructurings	1
Pre-modification balance	48
Post-modification balance	48
Debt consolidation and term extension
Quantity of troubled debt restructurings	1
Pre-modification balance	250
Post-modification balance	250
Interest only
Quantity of troubled debt restructurings	1
Pre-modification balance	30
Post-modification balance	$ 30