XML 73 R59.htm IDEA: XBRL DOCUMENT v3.25.3

Investment Securities Available For Sale, at Fair Value - Schedule of Investment Securities Available for Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 6,748,236	$ 3,886,897
Unrealized Gains	108,652	18,959
Unrealized Losses	(18,173)	(77,312)
Fair Value	6,838,715	3,828,544
Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	6,543,283	3,163,035
Unrealized Gains	99,727	12,861
Unrealized Losses	(15,007)	(39,084)
Fair Value	6,628,003	3,136,812
Non-Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	24,085	66,203
Unrealized Gains	6,405	6,098
Unrealized Losses	(2,316)	(2,614)
Fair Value	28,174	69,687
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	180,868	657,659
Unrealized Gains	2,520	0
Unrealized Losses	(850)	(35,614)
Fair Value	182,538	622,045
Fixed rate | Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	6,309,171	2,949,038
Unrealized Gains	94,530	11,733
Unrealized Losses	(1,132)	(21,711)
Fair Value	6,402,569	2,939,060
Fixed rate | Fannie Mae | Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	3,505,119	1,483,619
Unrealized Gains	54,745	7,819
Unrealized Losses	(752)	(7,991)
Fair Value	3,559,112	1,483,447
Fixed rate | Freddie Mac | Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,804,052	1,465,419
Unrealized Gains	39,785	3,914
Unrealized Losses	(380)	(13,720)
Fair Value	2,843,457	1,455,613
Adjustable rate | Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	119,192	130,119
Unrealized Gains	3,796	285
Unrealized Losses	0	(822)
Fair Value	122,988	129,582
Adjustable rate | Fannie Mae | Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	88,317	97,267
Unrealized Gains	2,981	265
Unrealized Losses	0	(631)
Fair Value	91,298	96,901
Adjustable rate | Freddie Mac | Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	30,875	32,852
Unrealized Gains	815	20
Unrealized Losses	0	(191)
Fair Value	31,690	32,681
Interest-only | Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	114,920	83,878
Unrealized Gains	1,401	843
Unrealized Losses	(13,875)	(16,551)
Fair Value	102,446	68,170
Interest-only | Freddie Mac | Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	4,461	5,251
Unrealized Gains	0	0
Unrealized Losses	(931)	(459)
Fair Value	3,530	4,792
Interest-only | Ginnie Mae | Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	110,459	78,627
Unrealized Gains	1,401	843
Unrealized Losses	(12,944)	(16,092)
Fair Value	$ 98,916	$ 63,378

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

+ Details

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

X

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aa)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aaa)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

+ Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=adam_AgencyResidentialMortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=adam_NonAgencyRMBSMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	adam_FinancialInstrumentInterestTypeAxis=adam_AgencyFixedRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=adam_FannieMaeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=adam_FreddieMacMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	adam_FinancialInstrumentInterestTypeAxis=adam_AgencyARMsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	adam_FinancialInstrumentInterestTypeAxis=adam_AgencyIOsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=adam_GinnieMaeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: