XML 183 R132.htm IDEA: XBRL DOCUMENT v3.24.3

Dividends - Summary of Declared Dividends (Details) - USD ($)				3 Months Ended				9 Months Ended		12 Months Ended
	Aug. 13, 2019	Sep. 20, 2016	May 02, 2013	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Dividends Payable [Line Items]
Dividends on preference shares										$ 49,865,700
Dividends paid on ordinary shares								$ 175,000,000.0	$ 20,000,000.0	40,300,000	$ 40,000,000.0	$ 0
Q1 2023
Dividends Payable [Line Items]
Dividends on preference shares							$ 11,122,500
Dividends Payable, Date Declared							Mar. 01, 2023
Payable Date							Apr. 01, 2023
Q2 2023
Dividends Payable [Line Items]
Dividends on preference shares						$ 11,122,500
Dividends Payable, Date Declared						Jun. 01, 2023
Payable Date						Jul. 01, 2023
Q3 2023
Dividends Payable [Line Items]
Dividends on preference shares					$ 13,847,200
Dividends Payable, Date Declared					Sep. 01, 2023
Payable Date					Oct. 01, 2023
Q4 2023
Dividends Payable [Line Items]
Dividends on preference shares				$ 13,773,500
Dividends Payable, Date Declared				Nov. 30, 2023
Payable Date				Dec. 28, 2023
5.950% Preference Shares (AHL PRC)
Dividends Payable [Line Items]
Dividends on preference shares										$ 21,739,300
Preference shares, rate			5.95%					5.95%		5.95%	5.95%
5.950% Preference Shares (AHL PRC) | Q1 2023
Dividends Payable [Line Items]
Dividends on preference shares							$ 4,090,900
5.950% Preference Shares (AHL PRC) | Q2 2023
Dividends Payable [Line Items]
Dividends on preference shares						$ 4,090,900
5.950% Preference Shares (AHL PRC) | Q3 2023
Dividends Payable [Line Items]
Dividends on preference shares					$ 6,815,600
5.950% Preference Shares (AHL PRC) | Q4 2023
Dividends Payable [Line Items]
Dividends on preference shares				$ 6,741,900
5.625% Preference Shares, rep by Dep Shares (AHL PRE)
Dividends Payable [Line Items]
Dividends on preference shares										$ 14,062,400
Depositary share dividend				$ 0.35156				$ 0.35156		$ 0.35156
Preference shares, rate	5.625%							5.625%		5.625%	5.625%
Depositary share interest				0.10%				0.10%		0.10%	0.10%
5.625% Preference Shares, rep by Dep Shares (AHL PRE) | Q1 2023
Dividends Payable [Line Items]
Dividends on preference shares							3,515,600
5.625% Preference Shares, rep by Dep Shares (AHL PRE) | Q2 2023
Dividends Payable [Line Items]
Dividends on preference shares						3,515,600
5.625% Preference Shares, rep by Dep Shares (AHL PRE) | Q3 2023
Dividends Payable [Line Items]
Dividends on preference shares					3,515,600
5.625% Preference Shares, rep by Dep Shares (AHL PRE) | Q4 2023
Dividends Payable [Line Items]
Dividends on preference shares				$ 3,515,600
5.625% Preference Shares (AHL PRD)
Dividends Payable [Line Items]
Dividends on preference shares										$ 14,064,000
Preference shares, rate		5.625%						5.625%		5.625%	5.625%
5.625% Preference Shares (AHL PRD) | Q1 2023
Dividends Payable [Line Items]
Dividends on preference shares							$ 3,516,000
5.625% Preference Shares (AHL PRD) | Q2 2023
Dividends Payable [Line Items]
Dividends on preference shares						$ 3,516,000
5.625% Preference Shares (AHL PRD) | Q3 2023
Dividends Payable [Line Items]
Dividends on preference shares					$ 3,516,000
5.625% Preference Shares (AHL PRD) | Q4 2023
Dividends Payable [Line Items]
Dividends on preference shares				$ 3,516,000

X

- Definition

Depositary Share Dividend

+ References

No definition available.

+ Details

Name:	ahl_DepositaryShareDividend
Namespace Prefix:	ahl_
Data Type:	dtr-types1:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Preferred Stock, Dividend Rate, Depositary Share Fractional Interest (1/1000th of 5.625% Preference Share)

+ References

No definition available.

+ Details

Name:	ahl_DepositaryShareDividendRateFractionalInterest
Namespace Prefix:	ahl_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Date the declared dividend will be paid, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482913/230-10-50-3

+ Details

Name:	us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-SubTopic 405
-Topic 942
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481071/942-405-45-2

+ Details

Name:	us-gaap_Dividends
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Date the dividend to be paid was declared, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482913/230-10-50-3

+ Details

Name:	us-gaap_DividendsPayableDateDeclaredDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- 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

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

X

- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsOfDividendsCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.12-12A(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-12(Column A)(Footnote 4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-3

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-6

+ Details

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

X

- Details

Name:	us-gaap_DividendsAxis=ahl_A2023Q1DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=ahl_A2023Q2DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=ahl_A2023Q3DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=ahl_A2023Q4DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesDPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesFPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesEPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: