Fair Value Measurements (Details) - EBP 002 - USD ($)	Dec. 31, 2025	Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	$ 169,287,108	$ 148,008,681
Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	132,991,204	110,634,855
Money market fund
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	5,927,152	5,669,602
Home BancShares, Inc. common stock
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	30,368,752	31,704,224
Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	169,287,108	148,008,681
Level 1 \| Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	132,991,204	110,634,855
Level 1 \| Money market fund
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	5,927,152	5,669,602
Level 1 \| Home BancShares, Inc. common stock
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	30,368,752	31,704,224
Level 2
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	0	0
Level 2 \| Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	0	0
Level 2 \| Money market fund
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	0	0
Level 2 \| Home BancShares, Inc. common stock
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	0	0
Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	0	0
Level 3 \| Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	0	0
Level 3 \| Money market fund
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	0	0
Level 3 \| Home BancShares, Inc. common stock
EBP, Investment, Fair Value and NAV [Line Items]
Total investments, at fair value	$ 0	$ 0

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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