REGULATORY MATTERS (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Ameris Bank [Member]
Tier 1 Leverage Ratio (tier 1 capital to average assets) Actual Amount	$ 592,641	$ 495,615
Tier 1 Leverage Ratio (tier 1 capital to average assets) Actual Ratio	9.266%	9.32%
Tier 1 Leverage Ratio (tier 1 capital to average assets) For Capital Adequacy Purposes Amount	$ 255,828	$ 212,608
Tier 1 Leverage Ratio (tier 1 capital to average assets) For Capital Adequacy Purposes Ratio	4.00%	4.00%
Tier 1 Leverage Ratio (tier 1 capital to average assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 319,785	$ 265,760
Tier 1 Leverage Ratio (tier 1 capital to average assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	5.00%	5.00%
CET1 Ratio (common equity tier 1 capital to risk weighted assets) Actual Amount	$ 592,641	$ 495,615
CET1 Ratio (common equity tier 1 capital to risk weighted assets) Actual Ratio	10.351%	11.74%
CET1 Ratio (common equity tier 1 capital to risk weighted assets) Adequacy Purposes Amount	$ 293,422	$ 189,949
CET1 Ratio (common equity tier 1 capital to risk weighted assets) Adequacy Purposes Ratio	5.125%	4.50%
CET1 Ratio (common equity tier 1 capital to risk weighted assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 372,145	$ 274,371
CET1 Ratio (common equity tier 1 capital to risk weighted assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	6.50%	6.50%
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets) Actual Amount	$ 592,641	$ 495,615
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets) Actual Ratio	10.351%	11.74%
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets) For Capital Adequacy Purposes Amount	$ 379,301	$ 253,266
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets) For Capital Adequacy Purposes Ratio	6.625%	6.00%
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 458,024	$ 337,687
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	8.00%	8.00%
Total Capital Ratio (total capital to risk weighted assets) Actual Amount	$ 616,561	$ 516,677
Total Capital Ratio (total capital to risk weighted assets) Actual Ratio	10.769%	12.24%
Total Capital Ratio (total capital to risk weighted assets) For Capital Adequacy Purposes Amount	$ 493,807	$ 337,687
Total Capital Ratio (total capital to risk weighted assets) For Capital Adequacy Purposes Ratio	8.625%	8.00%
Total Capital Ratio (total capital to risk weighted assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 572,530	$ 422,109
Total Capital Ratio (total capital to risk weighted assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	10.00%	10.00%
Consolidated Entities [Member]
Tier 1 Leverage Ratio (tier 1 capital to average assets) Actual Amount	$ 555,447	$ 462,961
Tier 1 Leverage Ratio (tier 1 capital to average assets) Actual Ratio	8.675%	8.70%
Tier 1 Leverage Ratio (tier 1 capital to average assets) For Capital Adequacy Purposes Amount	$ 256,106	$ 212,771
Tier 1 Leverage Ratio (tier 1 capital to average assets) For Capital Adequacy Purposes Ratio	4.00%	4.00%
CET1 Ratio (common equity tier 1 capital to risk weighted assets) Actual Amount	$ 476,806	$ 403,322
CET1 Ratio (common equity tier 1 capital to risk weighted assets) Actual Ratio	8.317%	9.54%
CET1 Ratio (common equity tier 1 capital to risk weighted assets) Adequacy Purposes Amount	$ 293,811	$ 190,157
CET1 Ratio (common equity tier 1 capital to risk weighted assets) Adequacy Purposes Ratio	5.125%	4.50%
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets) Actual Amount	$ 555,447	$ 462,961
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets) Actual Ratio	9.689%	10.96%
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets) For Capital Adequacy Purposes Amount	$ 379,804	$ 253,543
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets) For Capital Adequacy Purposes Ratio	6.625%	6.00%
Total Capital Ratio (total capital to risk weighted assets) Actual Amount	$ 579,367	$ 484,023
Total Capital Ratio (total capital to risk weighted assets) Actual Ratio	10.106%	11.45%
Total Capital Ratio (total capital to risk weighted assets) For Capital Adequacy Purposes Amount	$ 494,462	$ 338,057
Total Capital Ratio (total capital to risk weighted assets) For Capital Adequacy Purposes Ratio	8.625%	8.00%

Common Equity Tier 1 Risk Based Capital as defined in the regulations.

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Common equity tier one risk based capital required for capital adequacy.

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Common equity tier one risk based capital required for capital adequacy to risk weighted assets.

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Common equity tier one risk based capital required to be well capitalized.

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Common equity tier one risk based capital required to be well capitalized to average assets.

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Common Equity Tier 1 capital divided by risk weighted assets as defined by regulations.

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The amount of total capital as defined in the regulations.

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The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action.

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The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital.

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The minimum amount of Tier 1 Leverage Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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Tier 1 Risk Based Capital as defined in the regulations.

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The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Risk Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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