SECURITIES - Unrealized and realized gains (losses) (Details) - Available-for-sale Securities [Member] - Marketable Equity Securities [Member] - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Net gains and (losses) recognized during the period on equity securities	$ 110	$ 21
Less: Net gains and (losses) recognized during the period on equity securities sold during the period	0	0
Unrealized gains and (losses) recognized during the reporting period on equity securities still held at the reporting date	$ 110	$ 21

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

No definition available.

Name:	us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration