INVESTMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Amortized Cost Basis, Within 1 year	$ 236
Amortized Cost Basis, After 1 year through 5 years	2,028
Amortized Cost Basis, After 5 years through 10 years	567
Amortized Cost Basis, After 10 years	0
Amortized Cost Basis, Mortgage-backed securities	201
Amortized Cost Basis, Total	3,032
Fair Value, Within 1 year	233
Fair Value, After 1 year through 5 years	2,146
Fair Value, After 5 years through 10 years	572
Fair Value, After 10 years	0
Fair Value, Mortgage-backed securities	201
Fair Value, Total	$ 3,152	$ 8,189