LOANS - Troubled debt restructurings (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014 Integer	Dec. 31, 2013 Integer
Business Activities Loans - Residential real estate
Quantity of troubled debt restructurings	4	6
Pre-modification balance	$ 308	$ 2,434
Post-modification balance	308	2,434
Business Activities Loans - Land
Quantity of troubled debt restructurings		2
Pre-modification balance		225
Post-modification balance		225
Business Activities Loans - Commercial real estate
Quantity of troubled debt restructurings	4
Pre-modification balance	1,076
Post-modification balance	1,076
Business Activities Loans - Construction of commercial
Quantity of troubled debt restructurings	1
Pre-modification balance	131
Post-modification balance	131
Business Activities Loans - Consumer
Quantity of troubled debt restructurings		1
Pre-modification balance		22
Post-modification balance		22
Business Activities Loans - Commercial and industrial
Quantity of troubled debt restructurings		1
Pre-modification balance		91
Post-modification balance		91
Business Activities Loans - Total Troubled debt restructurings
Quantity of troubled debt restructurings	9	10
Pre-modification balance	1,515	2,772
Post-modification balance	1,515	2,772
Business Activities Loans - Rate reduction and term extension
Quantity of troubled debt restructurings		5
Pre-modification balance		813
Post-modification balance		813
Business Activities Loans - Interest only pursuant to sale
Quantity of troubled debt restructurings	1	1
Pre-modification balance	24	40
Post-modification balance	24	40
Business Activities Loans - Interest only and term extension
Quantity of troubled debt restructurings	1
Pre-modification balance	48
Post-modification balance	48
Business Activities Loans - Interest only pursuant to sale and term extension
Quantity of troubled debt restructurings	1
Pre-modification balance	230
Post-modification balance	230
Business Activities Loans - Interest only
Quantity of troubled debt restructurings	1
Pre-modification balance	30
Post-modification balance	30
Business Activities Loans - Debt consolidation and term extension
Quantity of troubled debt restructurings	2
Pre-modification balance	447
Post-modification balance	447
Business Activities Loans - Rate reduction
Quantity of troubled debt restructurings		2
Pre-modification balance		1,070
Post-modification balance		1,070
Business Activities Loans - Rate reduction interest only
Quantity of troubled debt restructurings		1
Pre-modification balance		758
Post-modification balance		758
Business Activities Loans - Debt consolidation, rate reduction, term extension and note bifurcation
Quantity of troubled debt restructurings	1
Pre-modification balance	399
Post-modification balance	399
Business Activities Loans - Rate reduction and debt consolidation
Quantity of troubled debt restructurings		1
Pre-modification balance		91
Post-modification balance		91
Business Activities Loans - Term extension
Quantity of troubled debt restructurings	2
Pre-modification balance	337
Post-modification balance	337
Acquired Loans - Residential real estate
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Land
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Commercial real estate
Quantity of troubled debt restructurings	1
Pre-modification balance	571
Post-modification balance	571
Acquired Loans - Construction of commercial
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Consumer
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Commercial and industrial
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Total Troubled debt restructurings
Quantity of troubled debt restructurings	1
Pre-modification balance	571
Post-modification balance	571
Acquired Loans - Rate reduction and term extension
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Interest only pursuant to sale
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Interest only and term extension
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Interest only pursuant to sale and term extension
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Debt consolidation and term extension
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Rate reduction
Quantity of troubled debt restructurings	1
Pre-modification balance	571
Post-modification balance	571
Acquired Loans - Rate reduction interest only
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Debt consolidation, rate reduction, term extension and note bifurcation
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Rate reduction and debt consolidation
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance
Acquired Loans - Term extension
Quantity of troubled debt restructurings
Pre-modification balance
Post-modification balance