Debt instrument floating rate at redemption.

No definition available.

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- Definition

Redemption of debentures.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

+ References

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

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- Definition

Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

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Period Type:	instant

- Details

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- Details

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Other Borrowings - Additional Information (Detail) - USD ($) $ in Thousands		1 Months Ended
	Nov. 01, 2017	Apr. 30, 2020	Mar. 31, 2020	Feb. 29, 2020	Dec. 31, 2020	Dec. 31, 2019	Aug. 31, 2014
Debt Instrument [Line Items]
Lease liability					$ 11,813	$ 7,406
Old National Bank
Debt Instrument [Line Items]
Lease liability					$ 11,813	7,406
Junior Subordinated Debentures \| Trust Preferred Securities
Debt Instrument [Line Items]
Redemption of debentures at par		$ 3,100	$ 3,100	$ 4,100
Debt instrument floating rate at redemption		5.62%	4.71%	5.36%
Subordinated Debentures \| Anchor Bank (MN) \| Subordinated Fixed-To-Floating Notes
Debt Instrument [Line Items]
Value of subordinated fixed-to-floating notes assumed	$ 12,000
Subordinated Debentures \| Anchor Bank (MN) \| Subordinated Fixed-To-Floating Notes \| LIBOR
Debt Instrument [Line Items]
Fixed rates	5.75%
LIBOR rate	4.356%
Subordinated Debt \| Old National Bank
Debt Instrument [Line Items]
Fixed rates					4.57%
Old National Bancorp \| Senior Unsecured Notes
Debt Instrument [Line Items]
Senior unsecured notes					$ 175,000	$ 175,000	$ 175,000
Fixed rates					4.125%		4.125%