FORECLOSED ASSETS - Gains (losses) on Foreclosed Assets (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Direct write-downs	$ (14)	$ (245)	$ (189)	$ (310)
Net gain (loss) on sales	564	20	632	118
Gains (losses) on foreclosed assets	$ 550	$ (225)	$ 443	$ (192)

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