BORROWINGS (Details 1) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Repurchase Agreements [Line Items]
Repurchase agreements	$ 804,811,000	$ 568,432,457
Maturity Less than 30 Days [Member]
Repurchase Agreements [Line Items]
Repurchase agreements	737,823,000	449,063,000
Maturity 31 To 60 Days [Member]
Repurchase Agreements [Line Items]
Repurchase agreements	19,897,000	76,044,000
Maturity 61 To 90 Days [Member]
Repurchase Agreements [Line Items]
Repurchase agreements	47,091,000	37,873,540
Maturity Over 90 Days Member [Member]
Repurchase Agreements [Line Items]
Repurchase agreements	$ 0	$ 5,451,917

Carrying value, as of the balance sheet date, of securities sold under agreements to repurchase where the transferor maintains effective control over the assets, accounting for them as secured debt.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 10
-Section 55
-Paragraph 51
-URI http://asc.fasb.org/extlink&oid=109221364&loc=d3e101761-111710

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(m)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Name:	us-gaap_SecuredDebtRepurchaseAgreements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant