CONDENSED FINANCIAL INFORMATION OF AMERIS BANCORP (PARENT COMPANY ONLY) - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets
Cash and due from banks	$ 307,813	$ 203,349
Other assets	413,419	449,624
Total assets	23,858,321	20,438,638	$ 18,242,579
Liabilities
Other liabilities	354,265	272,586
Other borrowings	739,879	425,155
Subordinated deferrable interest debentures	126,328	124,345
Total liabilities	20,891,870	17,791,550
Shareholders' equity	2,966,451	2,647,088	$ 2,469,582	$ 1,456,347
Total liabilities and shareholders’ equity	23,858,321	20,438,638
Ameris Bancorp
Assets
Cash and due from banks	239,822	167,643
Investment in subsidiaries	3,154,148	2,911,488
Other assets	27,340	16,564
Total assets	3,421,310	3,095,695
Liabilities
Other liabilities	27,901	24,212
Other borrowings	300,630	300,050
Subordinated deferrable interest debentures	126,328	124,345
Total liabilities	454,859	448,607
Shareholders' equity	2,966,451	2,647,088
Total liabilities and shareholders’ equity	$ 3,421,310	$ 3,095,695