Consolidated Statements of Operations - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Interest and fees on loans		$ 50,955	$ 41,250	$ 140,759	$ 115,237
Interest and dividends on investment securities		739	247	1,349	716
Total interest income	[1]	51,694	41,497	142,108	115,953
Interest on deposits		6,240	4,189	15,306	13,366
Interest on long-term debt		0	3,198	0	9,662
Interest on short-term borrowings		3,414	39	9,952	690
Total interest expense		9,654	7,426	25,258	23,718
Net interest income (loss)		42,040	34,071	116,850	92,235
Provision (benefit) for loan losses		10,047	(337)	21,046	2,000
Net interest income (loss) after loss provision		31,993	34,408	95,804	90,235
Other income (loss)
Gain (loss) on equity investments		(1,123)	4,101	2,985	7,306
Write-down of loan collateral in process of foreclosure		(94)	(438)	(608)	(5,385)
Gain on extinguishment of debt		0	0	0	4,626
Sponsorship and race winnings, net		0	3,335	0	10,153
Other income		986	208	6,278	209
Total other (loss) income, net		(231)	7,206	8,655	16,909
Other expenses
Salaries and employee benefits		8,411	7,957	23,709	21,542
Professional fees		3,722	1,963	12,106	4,694
Loan servicing fees		2,159	1,684	6,231	5,062
Collection costs		1,593	1,136	3,935	4,010
Rent expense		629	481	1,764	1,780
Regulatory fees		610	488	1,621	1,383
Amortization of intangible assets		359	362	1,082	1,083
Race team related expenses		0	2,424	0	7,219
Other expenses		1,926	2,228	5,807	6,412
Total other expenses		19,409	18,723	56,255	53,185
Income before income taxes		12,353	22,891	48,204	53,959
Income tax provision		3,205	6,167	12,892	16,573
Net income after taxes		9,148	16,724	35,312	37,386
Less: income attributable to the non-controlling interest		1,512	784	4,535	2,748
Total net income attributable to Medallion Financial Corp.		$ 7,636	$ 15,940	$ 30,777	$ 34,638
Basic net income per share		$ 0.33	$ 0.65	$ 1.28	$ 1.41
Diluted net income per share		$ 0.32	$ 0.64	$ 1.26	$ 1.39
Weighted average common shares outstanding
Basic		23,154,775	24,634,845	24,020,058	24,583,573
Diluted		23,510,645	24,990,226	24,332,776	24,945,707

[1] Included in interest income is $0.2 million and $0.5 million of paid-in-kind interest for the three and nine months ended September 30, 2022 and $0.2 million and $0.7 million for the three and nine months ended September 30, 2021.