VARIABLE INTEREST ENTITIES, Primary Beneficiary - Aggregate Assets and Liabilities (Details) $ in Thousands	Mar. 31, 2016 USD ($) investor Fund	Sep. 30, 2015 USD ($) investor Fund
Variable interest entity, consolidated, aggregate assets and liabilities [Abstract]
Number of Investors with a Guaranteed Return on their Investment | investor	1	1
LIHTC funds - primary beneficiary
Variable interest entity, consolidated, aggregate assets and liabilities [Abstract]
Aggregate assets	$ 135,581	$ 143,111
Aggregate liabilities	34,173	41,125
Guaranteed LIHTC fund - primary beneficiary
Variable interest entity, consolidated, aggregate assets and liabilities [Abstract]
Aggregate assets	64,715	71,231
Aggregate liabilities	$ 2,427	$ 2,263
Number of multiinvestor tax credit funds in which RJTCF is the managing member | Fund	1	1
Restricted stock trust fund - primary beneficiary
Variable interest entity, consolidated, aggregate assets and liabilities [Abstract]
Aggregate assets	$ 11,186	$ 6,405
Aggregate liabilities	11,186	6,405
EIF funds - primary beneficiary
Variable interest entity, consolidated, aggregate assets and liabilities [Abstract]
Aggregate assets	4,040	4,627
Aggregate liabilities	0	0
Total VIEs - primary beneficiary
Variable interest entity, consolidated, aggregate assets and liabilities [Abstract]
Aggregate assets	215,522	225,374
Aggregate liabilities	$ 47,786	$ 49,793