v3.25.3

Fair Value Measurements (Details 5) - Non-recurring - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Impaired loans
Fair value measurements
Impairment charges	$ 0
Mortgage servicing rights
Fair value measurements
Impairment recoveries	(0)
Repossessions
Fair value measurements
Impairment charges	50
Other real estate
Fair value measurements
Impairment charges	0
Total
Fair value measurements
Impaired loans - collateral based	28,781	$ 725
Assets measured at fair value	32,599	4,776
Total \| Mortgage servicing rights
Fair value measurements
Accrued income and other assets	3,263	3,436
Total \| Repossessions
Fair value measurements
Accrued income and other assets	435	155
Total \| Other real estate
Fair value measurements
Accrued income and other assets	120	460
Level 3
Fair value measurements
Impaired loans - collateral based	28,781	725
Assets measured at fair value	32,599	4,776
Level 3 \| Mortgage servicing rights
Fair value measurements
Accrued income and other assets	3,263	3,436
Level 3 \| Repossessions
Fair value measurements
Accrued income and other assets	435	155
Level 3 \| Other real estate
Fair value measurements
Accrued income and other assets	$ 120	$ 460

Represents the portion of the accrued income and other assets balance sheet assertion valued at fair value.

+ References

No definition available.

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- Definition

Amount of write-up of assets recognized in the income statement. Includes, but is not limited to, gains from tangible assets, intangible assets and goodwill.

+ References

No definition available.

+ Details

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- Definition

This item represents impaired loans receivable based on the fair value of the underlying collateral if repayment is expected solely from the collateral as presented on the statement of financial position which are due the Company as of the balance sheet date.

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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- Definition

Fair value portion of asset recognized for present right to economic benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
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- 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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1ST SOURCE CORP 10-Q