Schedule H, Line 4i – Schedule of Assets (Held At End of Year) (Details) - EBP 002	12 Months Ended
Dec. 31, 2025 USD ($) shares
EBP, Schedule of Asset Held for Investment [Line Items]
Entity tax identification number	35-1544218
Plan number	002
Participant Loans	$ 3,135,467
Total	$ 299,272,958
Minimum
EBP, Schedule of Asset Held for Investment [Line Items]
Participant loan, interest rate	4.25%
Maximum
EBP, Schedule of Asset Held for Investment [Line Items]
Participant loan, interest rate	9.50%
Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
TOTAL INVESTMENTS	$ 272,572,806
Investment, Identifier [Axis]: American Funds Europacific Growth Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	38,779
TOTAL INVESTMENTS	$ 2,349,215
Investment, Identifier [Axis]: Charles Schwab & Co PCRA \| Self-Directed Brokerage Accounts
EBP, Schedule of Asset Held for Investment [Line Items]
TOTAL INVESTMENTS	$ 3,511,488
Investment, Identifier [Axis]: Dodge & Cox International Stock Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	253,970
TOTAL INVESTMENTS	$ 4,180,354
Investment, Identifier [Axis]: Federated Hermes Short Intermediate Total Return Bond Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	112,133
TOTAL INVESTMENTS	$ 1,145,998
Investment, Identifier [Axis]: Federated Hermes Total Return Bond Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	664,657
TOTAL INVESTMENTS	$ 6,367,417
Investment, Identifier [Axis]: Fidelity Contrafund Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	595,450
TOTAL INVESTMENTS	$ 20,834,800
Investment, Identifier [Axis]: Fidelity International Small Cap Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	42,018
TOTAL INVESTMENTS	$ 1,555,092
Investment, Identifier [Axis]: First Merchants Corporation \| Common Stock
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	190,412
TOTAL INVESTMENTS	$ 8,468,288
Investment, Identifier [Axis]: JPMorgan Global Bonds Opportunities Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	71,835
TOTAL INVESTMENTS	$ 712,600
Investment, Identifier [Axis]: Lincoln Stable Value Account \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	9,175,285
TOTAL INVESTMENTS	$ 11,584,909
Investment, Identifier [Axis]: MFS Mid Cap Growth Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	175,879
TOTAL INVESTMENTS	$ 5,001,994
Investment, Identifier [Axis]: Principal High Yield Fund\| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	248,184
TOTAL INVESTMENTS	$ 1,665,317
Investment, Identifier [Axis]: T Rowe Price Dividend Growth Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	119,444
TOTAL INVESTMENTS	$ 9,740,673
Investment, Identifier [Axis]: Vanguard 500 Index Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	48,592
TOTAL INVESTMENTS	$ 30,702,675
Investment, Identifier [Axis]: Vanguard Balanced Index Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	45,328
TOTAL INVESTMENTS	$ 2,348,432
Investment, Identifier [Axis]: Vanguard Emerging Markets Stock Index Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	46,871
TOTAL INVESTMENTS	$ 2,090,910
Investment, Identifier [Axis]: Vanguard High Dividend Yield Index Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	58,267
TOTAL INVESTMENTS	$ 2,521,193
Investment, Identifier [Axis]: Vanguard International Growth Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	32,128
TOTAL INVESTMENTS	$ 3,662,283
Investment, Identifier [Axis]: Vanguard Mid Cap Index Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	27,599
TOTAL INVESTMENTS	$ 9,917,825
Investment, Identifier [Axis]: Vanguard Real Estate Index Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	14,471
TOTAL INVESTMENTS	$ 1,814,485
Investment, Identifier [Axis]: Vanguard S/T Federal Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	128,334
TOTAL INVESTMENTS	$ 1,328,253
Investment, Identifier [Axis]: Vanguard S/T Inflation Protected Securities Index Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	66,665
TOTAL INVESTMENTS	$ 1,653,293
Investment, Identifier [Axis]: Vanguard Selected Value Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	218,406
TOTAL INVESTMENTS	$ 5,792,119
Investment, Identifier [Axis]: Vanguard Small Cap Growth Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	43,715
TOTAL INVESTMENTS	$ 4,639,028
Investment, Identifier [Axis]: Vanguard Small Cap Index Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	55,714
TOTAL INVESTMENTS	$ 6,885,180
Investment, Identifier [Axis]: Vanguard Small Cap Value Index Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	55,706
TOTAL INVESTMENTS	$ 5,070,401
Investment, Identifier [Axis]: Vanguard Target Retirement 2020 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	84,364
TOTAL INVESTMENTS	$ 2,315,794
Investment, Identifier [Axis]: Vanguard Target Retirement 2025 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	537,814
TOTAL INVESTMENTS	$ 10,729,380
Investment, Identifier [Axis]: Vanguard Target Retirement 2030 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	508,127
TOTAL INVESTMENTS	$ 21,509,000
Investment, Identifier [Axis]: Vanguard Target Retirement 2035 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	728,866
TOTAL INVESTMENTS	$ 19,956,344
Investment, Identifier [Axis]: Vanguard Target Retirement 2040 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	350,485
TOTAL INVESTMENTS	$ 17,506,727
Investment, Identifier [Axis]: Vanguard Target Retirement 2045 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	438,710
TOTAL INVESTMENTS	$ 15,240,776
Investment, Identifier [Axis]: Vanguard Target Retirement 2050 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	201,843
TOTAL INVESTMENTS	$ 11,965,231
Investment, Identifier [Axis]: Vanguard Target Retirement 2055 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	164,875
TOTAL INVESTMENTS	$ 10,908,116
Investment, Identifier [Axis]: Vanguard Target Retirement 2060 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	134,931
TOTAL INVESTMENTS	$ 8,228,103
Investment, Identifier [Axis]: Vanguard Target Retirement 2065 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	96,141
TOTAL INVESTMENTS	$ 3,848,540
Investment, Identifier [Axis]: Vanguard Target Retirement 2070 Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	14,736
TOTAL INVESTMENTS	$ 468,891
Investment, Identifier [Axis]: Vanguard Target Retirement Income Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	349,529
TOTAL INVESTMENTS	$ 4,847,972
Investment, Identifier [Axis]: Vanguard Total International Stock Index Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	46,649
TOTAL INVESTMENTS	$ 1,890,679
Investment, Identifier [Axis]: Vanguard Windsor II Fund \| Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Number of Shares/Units (in shares) \| shares	134,025
TOTAL INVESTMENTS	$ 11,177,716

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2

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- Definition

Amount of total assets in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, current value of investment, participant loan, and plan interest in master trust.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-SubTopic 205
-Topic 962
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
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- Definition

Current value of investment, excluding plan interest in master trust, in schedule of asset held for investment of 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.

+ References

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-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount, after deemed distribution, of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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- Definition

Number of shares or units of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

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- Definition

Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in three-digit numeric format.

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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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