SEGMENT REPORTING - Schedule of Segment Reporting, by Reportable Business Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Interest income	$ 1,394,525	$ 1,378,284	$ 1,280,435
Interest expense	457,602	529,094	445,391
Net interest income	936,923	849,190	835,044
Provision for credit losses	70,244	58,793	142,656
Noninterest income	271,035	293,257	242,828
Noninterest expense
Salaries and employee benefits	348,868	347,641	320,110
Occupancy and equipment expenses	44,923	48,784	51,450
Data processing and communications expenses	62,515	59,699	53,486
Other expenses	147,644	151,670	153,235
Total noninterest expense	603,950	607,794	578,281
Income before income tax expense	533,764	475,860	356,935
Income tax expense	121,610	117,175	87,830
Net income	412,154	358,685	269,105
Total assets	27,515,879	26,262,050	25,203,699
Goodwill	1,015,646	1,015,646	1,015,646
Other intangible assets, net	54,824	70,761	87,949
Banking Division
Segment Reporting Information [Line Items]
Interest income	968,606	962,918	913,439
Interest expense	188,069	271,201	224,543
Net interest income	780,537	691,717	688,896
Provision for credit losses	63,751	60,434	132,789
Noninterest income	124,436	121,972	102,177
Noninterest expense
Salaries and employee benefits	248,600	243,795	228,399
Occupancy and equipment expenses	41,592	44,568	46,232
Data processing and communications expenses	56,645	54,121	48,155
Other expenses	94,003	96,049	100,752
Total noninterest expense	440,840	438,533	423,538
Income before income tax expense	400,382	314,722	234,746
Income tax expense	93,745	83,503	62,297
Net income	306,637	231,219	172,449
Total assets	19,935,718	18,954,256	18,291,626
Goodwill	951,148	951,148	951,148
Other intangible assets, net	54,591	67,721	81,959
Retail Mortgage Division
Segment Reporting Information [Line Items]
Interest income	238,818	236,670	212,106
Interest expense	155,452	142,374	123,804
Net interest income	83,366	94,296	88,302
Provision for credit losses	3,588	(2,799)	9,535
Noninterest income	142,592	167,031	137,145
Noninterest expense
Salaries and employee benefits	88,355	92,436	80,317
Occupancy and equipment expenses	3,154	3,965	4,899
Data processing and communications expenses	5,235	5,048	4,836
Other expenses	48,486	50,209	47,393
Total noninterest expense	145,230	151,658	137,445
Income before income tax expense	77,140	112,468	78,467
Income tax expense	16,199	23,618	16,478
Net income	60,941	88,850	61,989
Total assets	4,661,294	4,828,842	4,916,753
Goodwill	0	0	0
Other intangible assets, net	0	0	0
Warehouse Lending Division
Segment Reporting Information [Line Items]
Interest income	70,673	75,264	71,110
Interest expense	42,776	48,492	47,271
Net interest income	27,897	26,772	23,839
Provision for credit losses	346	275	(440)
Noninterest income	3,939	4,209	3,475
Noninterest expense
Salaries and employee benefits	2,292	3,216	2,794
Occupancy and equipment expenses	28	26	5
Data processing and communications expenses	208	160	171
Other expenses	756	976	873
Total noninterest expense	3,284	4,378	3,843
Income before income tax expense	28,206	26,328	23,911
Income tax expense	5,923	5,529	5,021
Net income	22,283	20,799	18,890
Total assets	1,171,684	983,229	825,415
Goodwill	0	0	0
Other intangible assets, net	0	0	0
Premium Finance Division
Segment Reporting Information [Line Items]
Interest income	116,428	103,432	83,780
Interest expense	71,305	67,027	49,773
Net interest income	45,123	36,405	34,007
Provision for credit losses	2,559	883	772
Noninterest income	68	45	31
Noninterest expense
Salaries and employee benefits	9,621	8,194	8,600
Occupancy and equipment expenses	149	225	314
Data processing and communications expenses	427	370	324
Other expenses	4,399	4,436	4,217
Total noninterest expense	14,596	13,225	13,455
Income before income tax expense	28,036	22,342	19,811
Income tax expense	5,743	4,525	4,034
Net income	22,293	17,817	15,777
Total assets	1,747,183	1,495,723	1,169,905
Goodwill	64,498	64,498	64,498
Other intangible assets, net	$ 233	$ 3,040	$ 5,990

Ameris Bancorp 10-K