SECURITIES - Aggregate fair value and gross unrealized loss of securities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Less than 12 Months, Fair Value
Available-for-sale
Municipal bonds
Mortgage backed securities
Non-agency
Total temporarily impaired securities
Non-agency
Total temporarily and other-than-temporarily impaired securities
Gross unrealized losses
Available-for-sale
Municipal bonds
Mortgage backed securities
Non-agency
Total temporarily impaired securities
Non-agency
Total temporarily and other-than-temporarily impaired securities
12 Months or Longer, Fair Value
Available-for-sale
Municipal bonds	5,483
Mortgage backed securities	54
Non-agency	1,864
Total temporarily impaired securities	7,401
Non-agency	3,551
Total temporarily and other-than-temporarily impaired securities	10,952
Accumulated other comprehensive income (loss)
Available-for-sale
Municipal bonds	512
Mortgage backed securities	1
Non-agency	84
Total temporarily impaired securities	597
Non-agency	198
Total temporarily and other-than-temporarily impaired securities	795
Total, Fair Value
Available-for-sale
Municipal bonds	5,483
Mortgage backed securities	54
Non-agency	1,864
Total temporarily impaired securities	7,401
Non-agency	3,551
Total temporarily and other-than-temporarily impaired securities	10,952
Gross unrealized gains
Available-for-sale
Municipal bonds	512
Mortgage backed securities	1
Non-agency	84
Total temporarily impaired securities	597
Non-agency	198
Total temporarily and other-than-temporarily impaired securities	$ 795