RESTRICTED INVESTMENTS AND BOND COLLATERAL - Maturities of Available-for-Sale Securities (Details) (Restricted Investments and Bond Collateral [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014
Restricted Investments and Bond Collateral [Member]
Schedule of Available-for-sale Securities [Line Items]
Due within one year, Amortized Cost Basis	$ 1,097
Due in five years or less, Amortized Cost Basis	14,245
Due after five years to ten years, Amortized Cost Basis	8,872
Due in more than ten years, Amortized Cost Basis	10,324
Available-for-sale Securities, Amortized Cost Basis	34,538
Due within one year, Fair Value	1,106
Due in five years or less, Fair Value	14,504
Due after five years to ten years, Fair Value	9,106
Due in more than ten years, Fair Value	10,403
Available-for-sale Securities, Fair Value	$ 35,119