Segment Reporting - Reconciliations of Reportable Segment Revenues and Measures of Profit or Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest and Dividend Income, Operating [Abstract]
Loans, including fees	$ 61,518	$ 52,748	$ 120,347	$ 101,129
Securities, taxable	10,176	5,813	20,053	11,760
Securities, nontaxable	401	568	792	1,237
Federal funds sold and other	3,037	2,127	5,707	3,253
Total interest and dividend income	75,132	61,256	146,899	117,379
Interest Expense [Abstract]
Deposits	22,662	17,204	45,517	31,025
Federal funds purchased and retail repurchase agreements	306	192	632	387
Federal Home Loan Bank advances	3,789	953	4,933	1,971
Federal Reserve Bank borrowings		1,528	1,361	1,663
Subordinated debt	1,899	1,950	3,798	3,794
Total interest expense	28,656	21,827	56,241	38,840
Net interest income	46,476	39,429	90,658	78,539
Provision (reversal) for credit losses	265	298	1,265	(68)
Net interest income after provision (reversal) for credit losses	46,211	39,131	89,393	78,607
Noninterest Income [Abstract]
Increase in value of bank-owned life insurance	911	757	1,739	2,340
Net gain on acquisition and branch sales	60		1,300
Net gain (loss) from securities transactions	(27)	(1,322)	16	(1,290)
Other	2,607	1,996	7,023	3,794
Total non-interest income	8,958	6,950	20,689	15,550
Non-interest expense
Salaries and employee benefits	17,827	15,237	35,924	31,929
Net occupancy and equipment	3,787	2,940	7,322	5,819
Data processing	5,036	4,493	9,864	8,409
Professional fees	1,778	1,645	3,170	3,029
Advertising and business development	1,291	1,249	2,529	2,408
Telecommunications	572	516	1,227	1,001
FDIC insurance	590	515	1,161	875
Courier and postage	620	463	1,226	921
Free nationwide ATM cost	531	524	1,025	1,049
Amortization of core deposit intangibles	1,218	918	2,117	1,836
Loan expense	195	136	304	253
Other real estate owned	17	71	(67)	190
Merger expenses	2,287		3,843
Other	3,122	4,423	6,378	8,640
Intersegment service charges				0
Total non-interest expense	38,871	33,130	76,023	66,359
Income (loss) before income taxes	16,298	12,951	34,059	27,798
Provision (benefit) for income taxes	4,582	1,495	8,275	4,019
Total segment profit/(loss)	11,716	11,456	25,784	23,779
Unallocated Holding Company Amounts /Administrative Adjustments [Member]
Interest and Dividend Income, Operating [Abstract]
Total interest and dividend income	173	25	350	43
Interest Expense [Abstract]
Total interest expense	1,921	1,950	3,844	3,830
Net interest income	(1,748)	(1,925)	(3,494)	(3,787)
Net interest income after provision (reversal) for credit losses	(1,748)	(1,925)	(3,494)	(3,787)
Noninterest Income [Abstract]
Net gain (loss) from securities transactions			293
Other	13,785	13,258	30,088	28,043
Total non-interest income	13,785	13,258	30,381	28,043
Non-interest expense
Salaries and employee benefits	39	39	87	82
Professional fees	168	254	330	359
Advertising and business development			1
Merger expenses	5		565
Other	(999)	(705)	(298)	(443)
Intersegment service charges	345	986	690	662
Total non-interest expense	(442)	574	1,375	660
Income (loss) before income taxes	12,479	10,759	25,512	23,596
Provision (benefit) for income taxes	(509)	(540)	(987)	(1,030)
Total segment profit/(loss)	12,988	11,299	26,499	24,626
Eliminations [Member]
Noninterest Income [Abstract]
Other	(13,785)	(13,746)	(30,088)	(28,043)
Total non-interest income	(13,785)	(13,746)	(30,088)	(28,043)
Non-interest expense
Income (loss) before income taxes	(13,785)	(13,746)	(30,088)	(28,043)
Total segment profit/(loss)	(13,785)	(13,746)	(30,088)	(28,043)
Operating Segments [Member] | Equity Bank [Member]
Interest and Dividend Income, Operating [Abstract]
Total interest and dividend income	74,959	61,231	146,549	117,336
Interest Expense [Abstract]
Total interest expense	26,735	19,877	52,397	35,010
Net interest income	48,224	41,354	94,152	82,326
Provision (reversal) for credit losses	265	298	1,265	(68)
Net interest income after provision (reversal) for credit losses	47,959	41,056	92,887	82,394
Noninterest Income [Abstract]
Increase in value of bank-owned life insurance	911	757	1,739	2,340
Net gain on acquisition and branch sales	60		1,300
Net gain (loss) from securities transactions	(27)	(1,322)	(277)	(1,290)
Other	2,607	2,484	7,023	3,794
Total non-interest income	8,958	7,438	20,396	15,550
Non-interest expense
Salaries and employee benefits	17,788	15,198	35,837	31,847
Net occupancy and equipment	3,787	2,940	7,322	5,819
Data processing	5,036	4,493	9,864	8,409
Professional fees	1,610	1,391	2,840	2,670
Advertising and business development	1,291	1,249	2,528	2,408
Telecommunications	572	516	1,227	1,001
FDIC insurance	590	515	1,161	875
Courier and postage	620	463	1,226	921
Free nationwide ATM cost	531	524	1,025	1,049
Amortization of core deposit intangibles	1,218	918	2,117	1,836
Loan expense	195	136	304	253
Other real estate owned	17	71	(67)	190
Merger expenses	2,282		3,278
Other	4,121	5,128	6,676	9,083
Intersegment service charges	(345)	(986)	(690)	(662)
Total non-interest expense	39,313	32,556	74,648	65,699
Income (loss) before income taxes	17,604	15,938	38,635	32,245
Provision (benefit) for income taxes	5,091	2,035	9,262	5,049
Total segment profit/(loss)	12,513	13,903	29,373	27,196
Service Charges and Fees [Member]
Noninterest Income [Abstract]
Non-interest income	2,541	2,653	5,110	5,198
Service Charges and Fees [Member] | Operating Segments [Member] | Equity Bank [Member]
Noninterest Income [Abstract]
Non-interest income	2,541	2,653	5,110	5,198
Debit Card Income [Member]
Noninterest Income [Abstract]
Non-interest income	2,621	2,653	5,068	5,207
Debit Card Income [Member] | Operating Segments [Member] | Equity Bank [Member]
Noninterest Income [Abstract]
Non-interest income	2,621	2,653	5,068	5,207
Mortgage Banking [Member]
Noninterest Income [Abstract]
Non-interest income	245	213	433	301
Mortgage Banking [Member] | Operating Segments [Member] | Equity Bank [Member]
Noninterest Income [Abstract]
Non-interest income	$ 245	$ 213	$ 433	$ 301