COMMITMENTS AND CONTINGENCIES - Additional Information (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Standby Letters Of Credit [Member]
COMMITMENTS AND CONTINGENCIES
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability	$ 788,000

The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

No definition available.

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