ACQUISITIONS (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Nov. 09, 2012 Central Bankcorp, Inc. [Member]
Assets
Cash					$ 12,683
Investments					28,268
Loans					450,671
Premises and equipment					6,277
Goodwill	170,421	150,391	130,074	129,617	22,544
Core deposit intangible					2,150
Other assets					37,309
Total assets acquired					559,902
Liabilities
Deposits					357,434
Borrowings					144,920
Other liabilities					5,511
Total liabilities assumed					507,865
Purchase price					$ 52,037