MORTGAGE AND OTHER INDEBTEDNESS - Schedule of Unsecured Term Loans (Details)	3 Months Ended
Mar. 31, 2025 USD ($) extension	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Gross debt	$ 2,910,885,000	$ 3,228,185,000
Unsecured Term Loans
Debt Instrument [Line Items]
Gross debt	700,000,000	700,000,000
Unsecured Term Loans \| $150M Unsecured Term Loan
Debt Instrument [Line Items]
Gross debt	$ 150,000,000	150,000,000
Variable interest rate, type [Extensible enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Unsecured Term Loans \| $150M Unsecured Term Loan \| Minimum
Debt Instrument [Line Items]
Credit spread (as a percent)	0.75%
Unsecured Term Loans \| $150M Unsecured Term Loan \| Maximum
Debt Instrument [Line Items]
Credit spread (as a percent)	1.60%
Unsecured Term Loans \| $150M Unsecured Term Loan \| Kite Realty Group, L.P.
Debt Instrument [Line Items]
Gross debt	$ 150,000,000
Variable interest rate, type [Extensible enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Credit spread, increase (as a percent)	0.10%
Unsecured Term Loans \| $150M Unsecured Term Loan \| Kite Realty Group, L.P. \| Minimum \| Leverage-Based Pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.20%
Unsecured Term Loans \| $150M Unsecured Term Loan \| Kite Realty Group, L.P. \| Minimum \| Investment-Grade Pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	0.75%
Unsecured Term Loans \| $150M Unsecured Term Loan \| Kite Realty Group, L.P. \| Maximum \| Leverage-Based Pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.70%
Unsecured Term Loans \| $150M Unsecured Term Loan \| Kite Realty Group, L.P. \| Maximum \| Investment-Grade Pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.60%
Unsecured Term Loans \| $250M Unsecured Term Loan
Debt Instrument [Line Items]
Gross debt	$ 250,000,000	250,000,000
Variable interest rate, type [Extensible enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Number of extension options \| extension	1
Extension period	1 year
Unsecured Term Loans \| $250M Unsecured Term Loan \| Minimum
Debt Instrument [Line Items]
Credit spread (as a percent)	0.75%
Unsecured Term Loans \| $250M Unsecured Term Loan \| Maximum
Debt Instrument [Line Items]
Credit spread (as a percent)	1.60%
Unsecured Term Loans \| $250M Unsecured Term Loan \| Kite Realty Group, L.P.
Debt Instrument [Line Items]
Gross debt	$ 250,000,000
Variable interest rate, type [Extensible enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Credit spread, increase (as a percent)	0.10%
Number of extension options \| extension	1
Extension period	1 year
Unsecured Term Loans \| $250M Unsecured Term Loan \| Kite Realty Group, L.P. \| Minimum \| Investment-Grade Pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	0.75%
Unsecured Term Loans \| $250M Unsecured Term Loan \| Kite Realty Group, L.P. \| Maximum \| Investment-Grade Pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.60%
Unsecured Term Loans \| $300M Unsecured Term Loan
Debt Instrument [Line Items]
Gross debt	$ 300,000,000	$ 300,000,000
Variable interest rate, type [Extensible enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Unsecured Term Loans \| $300M Unsecured Term Loan \| Minimum
Debt Instrument [Line Items]
Credit spread (as a percent)	1.15%
Unsecured Term Loans \| $300M Unsecured Term Loan \| Maximum
Debt Instrument [Line Items]
Credit spread (as a percent)	2.20%
Unsecured Term Loans \| $300M Unsecured Term Loan \| Kite Realty Group, L.P.
Debt Instrument [Line Items]
Gross debt	$ 300,000,000
Variable interest rate, type [Extensible enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Credit spread, increase (as a percent)	0.10%
Unsecured Term Loans \| $300M Unsecured Term Loan \| Kite Realty Group, L.P. \| Minimum \| Investment-Grade Pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.15%
Unsecured Term Loans \| $300M Unsecured Term Loan \| Kite Realty Group, L.P. \| Maximum \| Investment-Grade Pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	2.20%

Debt Instrument, Basis Spread on Variable Rate, Increase (Decrease)

No definition available.

Name:	krg_DebtInstrumentBasisSpreadOnVariableRateIncreaseDecrease
Namespace Prefix:	krg_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Maturity Date, Extension

+ References

No definition available.

+ Details

Name:	krg_DebtInstrumentMaturityDateExtension
Namespace Prefix:	krg_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Maturity Date, Number of Extension Options

+ References

No definition available.

+ Details

Name:	krg_DebtInstrumentMaturityDateNumberOfExtensionOptions
Namespace Prefix:	krg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-4

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482949/835-30-55-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69C
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69E

Reference 8: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69F
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69F

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 11: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

Reference 16: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

Reference 17: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

Reference 18: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1E
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E

Reference 19: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1E
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E

Reference 20: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1E
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E

Reference 21: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 22: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 23: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 24: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 25: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1I
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1I

Reference 26: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

Reference 27: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482900/835-30-50-1

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Indicates type of variable interest rate on debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477734/942-470-50-3

+ Details

Name:	us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=krg_TermLoanDueJuly2026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=krg_KiteRealtyGroupLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	krg_DebtInstrumentPricingModelAxis=krg_LeverageBasedPricingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	krg_DebtInstrumentPricingModelAxis=krg_InvestmentGradePricingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=krg_TermLoanDueOctober2027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=krg_TermLoanDueJuly2029Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: