Debt Instrument, Collateral, Number of Mortgage Assets

No definition available.

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- Definition

Long-term Line of Credit, Advance Rate of Mortgage Loan, Percent

+ References

No definition available.

+ Details

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- Definition

Long-term Line of Credit, Amount of Interest Transferred

+ References

No definition available.

+ Details

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- Definition

Master Repurchase Agreements, Maturity Term

+ References

No definition available.

+ Details

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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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Balance Type:	na
Period Type:	duration

- Definition

Amount of assets pledged to secure a debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

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-Publisher FASB
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-Section 55
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-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
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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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Debt - Narrative (Details)			3 Months Ended	12 Months Ended
Debt - Narrative (Details)	Mar. 26, 2020 USD ($)	Mar. 23, 2020 USD ($)	Mar. 31, 2020 USD ($) mortgage_asset	Dec. 31, 2019 USD ($) mortgage_asset	Jan. 15, 2020 USD ($)
Line of Credit Facility [Line Items]
Interest expense			$ 3,642,000	$ 16,616,000
Minimum
Line of Credit Facility [Line Items]
Advance rate of mortgage loan (percent)			65.00%
Master repurchase agreements maturity (days)			30 days
Maximum
Line of Credit Facility [Line Items]
Advance rate of mortgage loan (percent)			80.00%
Master repurchase agreements maturity (days)			90 days
Secured Debt \| U.S. Bank National Association \| Collateralized Loan Obligations Issued in 2017-FL2
Line of Credit Facility [Line Items]
Collateral amount					$ 21,000,000
Unamortized deferred financing costs					$ 4,500,000
Secured Debt \| U.S. Bank National Association \| Collateralized Loan Obligations Issued in 2018-FL3
Line of Credit Facility [Line Items]
Collateral amount			$ 579,600,000	$ 523,200,000
Collateral (mortgage asset) \| mortgage_asset			42	41
Secured Debt \| U.S. Bank National Association \| Collateralized Loan Obligations Issued in 2018-FL4
Line of Credit Facility [Line Items]
Collateral amount			$ 868,700,000	$ 867,900,000
Collateral (mortgage asset) \| mortgage_asset			53	49
Secured Debt \| U.S. Bank National Association \| Collateralized Loan Obligations Issued in 2019-FL5
Line of Credit Facility [Line Items]
Collateral amount			$ 803,400,000	$ 809,400,000
Collateral (mortgage asset) \| mortgage_asset			53	48
Secured Debt \| U.S. Bank National Association \| BSPRT 2017-FL2, BSPRT 2018-FL3, BSPRT 2018-FL4 and BSPRT 2019-FL5
Line of Credit Facility [Line Items]
Collateral amount			$ 256,900,000	$ 305,400,000
Sterling National Bank
Line of Credit Facility [Line Items]
Amount of interest in loan transferred		$ 15,200,000
Interest expense			13,000
SBL \| Unsecured Debt
Line of Credit Facility [Line Items]
Interest expense			$ 17,000
Total commitment	$ 100,000,000
LIBOR \| SBL \| Unsecured Debt
Line of Credit Facility [Line Items]
Interest Rate	4.50%