Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest income
Loans	$ 108,501	$ 56,338
Investment securities	13,299	8,628
Interest earning deposits with banks	3,330	132
Total interest income	125,130	65,098
Interest expense
Interest bearing demand deposits	12,855	290
Savings and money market deposits	7,927	745
Time deposits	12,834	4,281
Advances from the Federal Home Loan Bank	6,763	2,481
Senior notes	942	942
Subordinated notes	361	88
Junior subordinated debentures	1,115	626
Total interest expense	42,797	9,453
Net interest income	82,333	55,645
Provision for (reversal of) credit losses	11,700	(9,275)
Net interest income after provision for (reversal of) credit losses	70,633	64,920
Noninterest income
Deposits and service fees	4,955	4,620
Brokerage, advisory and fiduciary activities	4,182	4,596
Loan-level derivative income	2,071	3,152
Change in cash surrender value of bank owned life insurance	1,412	1,342
Cards and trade finance servicing fees	533	590
Derivative gains (losses), net	14	(1,345)
Gain (loss) on early extinguishment of advances from the Federal Home Loan Bank, net	13,173	(714)
Securities (losses) gains, net	(9,731)	769
Other noninterest income	2,734	1,015
Total noninterest income	19,343	14,025
Noninterest expense
Salaries and employee benefits	34,876	30,403
Professional and other services fees	7,628	6,139
Occupancy and equipment	6,798	6,725
Telecommunication and data processing	3,064	4,038
FDIC assessments and insurance	2,737	1,396
Advertising expenses	2,586	2,972
Loan-level derivative expense	1,600	1,043
Depreciation and amortization	1,292	1,152
Loans held for sale valuation expense	0	459
Contract termination costs	0	4,012
Other operating expenses	4,152	2,479
Total noninterest expenses	64,733	60,818
Income before income tax expense	25,243	18,127
Income tax expense	(5,301)	(3,824)
Net income before attribution of noncontrolling interest	19,942	14,303
Noncontrolling interest	(244)	(1,076)
Net income attributable to Amerant Bancorp Inc.	20,186	15,379
Other comprehensive income (loss), net of tax
Net unrealized holding gains (losses) on debt securities available for sale arising during the period	6,117	(39,637)
Net unrealized holding (losses) gains on cash flow hedges arising during the period	(188)	124
Reclassification adjustment for items included in net income	387	(128)
Other comprehensive income (loss)	6,316	(39,641)
Comprehensive income (loss)	$ 26,502	$ (24,262)
Earnings Per Share (Note 18):
Basic earnings per common share (in dollars per share)	$ 0.60	$ 0.44
Diluted earnings per common share (in dollars per share)	$ 0.60	$ 0.44