FORECLOSED ASSETS - Gains (losses) on Foreclosed Assets (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
FORECLOSED ASSETS
Direct write-downs	$ (122)	$ (98)	$ (195)	$ (156)
Net gain (loss) on sales	108	125	321	269
Guarantee reimbursements				7
Gains (losses) on foreclosed assets	$ (14)	$ 27	$ 126	$ 120

The amount of direct write down of foreclosed asset to reduce it's value with the intent to offset a loss or expense.

No definition available.

Name:	hbt_ForeclosedAssetDirectWriteDowns
Namespace Prefix:	hbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration