FAIR VALUE MEASURES - Fair Value Measurements of Assets Measured at Fair Value on Non-Recurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	$ 33,507	$ 46,707
Collateral-dependent loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	32,490	45,697
Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	1,017	1,010
Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 1 \| Collateral-dependent loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 1 \| Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 2 \| Collateral-dependent loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 2 \| Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	33,507	46,707
Level 3 \| Collateral-dependent loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	32,490	45,697
Level 3 \| Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	$ 1,017	$ 1,010

Ameris Bancorp 10-Q