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UNCONSOLIDATED AFFILIATES AND COST METHOD INVESTMENT - Cost Method Investments (Details) $ in Thousands | 3 Months Ended
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Dec. 31, 2016 USD ($)
Jinsheng |
Equity Securities without Readily Determinable Fair Value [Line Items] |
Payments received for redemption of interest | $ 15,538
Cost method investments | 5,325
Gain on cost-method investment | 10,136
OTTI recognized on cost-method investment | $ 5,306
Jinsheng |
Equity Securities without Readily Determinable Fair Value [Line Items] |
Ownership interest in cost method investment (as a percent) | 6.20%

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