Consolidated Statements of Operations - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Interest and fees on loans		$ 64,608	$ 50,955	$ 179,407	$ 140,759
Interest and dividends on investment securities		1,278	739	4,048	1,349
Total interest income	[1]	65,886	51,694	183,455	142,108
Interest on deposits		13,432	6,240	33,360	15,306
Interest on long-term debt		2,901	3,414	8,694	9,952
Interest on short-term borrowings		769	0	2,325	0
Total interest expense		17,102	9,654	44,379	25,258
Net interest income (loss)		48,784	42,040	139,076	116,850
Provision for credit losses		14,532	10,047	27,045	21,046
Net interest income after provision for credit losses		34,252	31,993	112,031	95,804
Other income (loss)
Gain on sale of loans and taxi medallions		1,417	518	4,578	5,061
Gain (loss) on equity investments		2,180	(1,123)	2,189	2,985
Write-down of loan collateral in process of foreclosure		(30)	(94)	(303)	(608)
Other income		739	468	1,868	1,217
Total other income (loss), net		4,306	(231)	8,332	8,655
Other expenses
Salaries and employee benefits		9,630	8,411	27,805	23,709
Loan servicing fees		2,501	2,159	7,084	6,231
Collection costs		1,583	1,593	4,729	3,935
Professional fees		1,148	3,722	4,223	12,106
Rent expense		629	629	1,855	1,764
Regulatory fees		1,021	610	2,484	1,621
Amortization of intangible assets		361	359	1,084	1,082
Other expenses		2,216	1,926	7,220	5,807
Total other expenses		19,089	19,409	56,484	56,255
Income before income taxes		19,469	12,353	63,879	48,204
Income tax provision		6,727	3,205	18,582	12,892
Net income after taxes		12,742	9,148	45,297	35,312
Less: income attributable to the non-controlling interest		1,512	1,512	4,536	4,535
Total net income attributable to Medallion Financial Corp.		$ 11,230	$ 7,636	$ 40,761	$ 30,777
Basic net income per share		$ 0.5	$ 0.33	$ 1.81	$ 1.28
Diluted net income per share		$ 0.48	$ 0.32	$ 1.77	$ 1.26
Weighted average common shares outstanding
Basic		22,596,982	23,154,775	22,469,968	24,020,058
Diluted		23,392,901	23,510,645	23,067,944	24,332,776

[1] Included in interest income is $0.4 million and $1.1 million of paid-in-kind interest for the three and nine months ended September 30, 2023 and $0.2 million and $0.5 million for the three and nine months ended September 30, 2022.