XML 85 R72.htm IDEA: XBRL DOCUMENT v3.19.1

FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Quantitative Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	$ 1,607,977	$ 1,398,576
CMBS
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	1,481,640	1,252,640
CMBS interest-only
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	53,570	55,691
GNMA interest-only
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	2,491	2,648
Agency securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	661	662
GNMA permanent securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	33,006	33,064
Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	36,609	$ 53,871
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	1,607,977
Level 3 | CMBS
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	$ 1,481,640
Level 3 | CMBS | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	0 years	0 years
Level 3 | CMBS | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	2 years 1 month 27 days	2 years 6 months
Level 3 | CMBS | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	8 years 18 days	7 years 9 months 10 days
Level 3 | CMBS interest-only
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	$ 53,570
Level 3 | CMBS interest-only | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	1 month 6 days	1 month 20 days
Level 3 | CMBS interest-only | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	2 years 10 months 17 days	2 years 11 months 15 days
Level 3 | CMBS interest-only | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	6 years 8 months 1 day	6 years 10 months 9 days
Level 3 | GNMA interest-only
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	$ 2,491
Level 3 | GNMA interest-only | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	14 days	14 days
Level 3 | GNMA interest-only | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	3 years 25 days	3 years 1 month 17 days
Level 3 | GNMA interest-only | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	5 years 21 days	4 years 9 months 7 days
Level 3 | Agency securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	$ 661
Level 3 | Agency securities | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	0 years	0 years
Level 3 | Agency securities | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	2 years 8 months 15 days	2 years 9 months 29 days
Level 3 | Agency securities | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	3 years 7 months 9 days	3 years 9 months 25 days
Level 3 | GNMA permanent securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	$ 33,006
Level 3 | GNMA permanent securities | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	0 years	0 years
Level 3 | GNMA permanent securities | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	5 years 5 months 15 days	5 years 7 months 13 days
Level 3 | GNMA permanent securities | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	5 years 8 months 4 days	5 years 10 months 17 days
Level 3 | Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	$ 36,609
Level 3 | Corporate bonds | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	1 year 6 months 7 days	1 year 11 months 8 days
Level 3 | Corporate bonds | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	1 year 7 months 13 days	2 years 2 months 8 days
Level 3 | Corporate bonds | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Duration (in years)	2 years 3 months 7 days	2 years 8 months 12 days
Level 3 | Yield | CMBS | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.00	0.00
Level 3 | Yield | CMBS | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0338	0.0354
Level 3 | Yield | CMBS | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.2132	0.2167
Level 3 | Yield | CMBS interest-only | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0062	0.0087
Level 3 | Yield | CMBS interest-only | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0461	0.0471
Level 3 | Yield | CMBS interest-only | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0787	0.0811
Level 3 | Yield | GNMA interest-only | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0211	0.0121
Level 3 | Yield | GNMA interest-only | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0830	0.0554
Level 3 | Yield | GNMA interest-only | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.1013	0.1021
Level 3 | Yield | Agency securities | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.00	0.00
Level 3 | Yield | Agency securities | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0189	0.021
Level 3 | Yield | Agency securities | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0251	0.0284
Level 3 | Yield | GNMA permanent securities | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0000	0.00
Level 3 | Yield | GNMA permanent securities | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0338	0.0351
Level 3 | Yield | GNMA permanent securities | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0392	0.04
Level 3 | Yield | Corporate bonds | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0354	0.053
Level 3 | Yield | Corporate bonds | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0358	0.0535
Level 3 | Yield | Corporate bonds | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	0.0382	0.0546
Level 3 | Prepayment speed | CMBS interest-only | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	100	100
Level 3 | Prepayment speed | CMBS interest-only | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	100	100
Level 3 | Prepayment speed | CMBS interest-only | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	100	100
Level 3 | Prepayment speed | GNMA interest-only | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	5.00	5.00
Level 3 | Prepayment speed | GNMA interest-only | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	6.64	6.58
Level 3 | Prepayment speed | GNMA interest-only | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, available-for-sale, measurement input	15.00	15.00
Internal Model Third Party Inputs Valuation Technique | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value		$ 1,398,576

X

- Definition

Represents the remaining maturity period, used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	ladr_FairValueInputsRemainingMaturityPeriod
Namespace Prefix:	ladr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

+ Details

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

X

- Definition

Value of input used to measure 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
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

No definition available.

+ Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPrepaymentRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ValuationTechniqueAxis=ladr_InternalModelThirdPartyInputsValuationTechniqueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: