Cash Flows Between Transferor and Transferee, Proceeds from New Transfers, Amount Funded

No definition available.

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- Definition

Guarantor Obligations, Maximum Exposure, Term

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No definition available.

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- Definition

Loan Collateral

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No definition available.

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- Definition

Loan Collateral, Measurement Input

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- Definition

Mortgage Loans on Real Estate, Commercial and Consumer, Percentage of Portfolio

+ References

No definition available.

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- Definition

Mortgage Loans on Real Estate, Impairment

+ References

No definition available.

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- Definition

Proceeds From Pre-payment Penalties

+ References

No definition available.

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- Definition

Provision For Loan And Lease Losses And Impairment

+ References

No definition available.

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- Definition

Qualitative and Quantitative Information, Transferor's Continuing Involvement, Arrangements of Financial Support, Amount Funded

+ References

No definition available.

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- Definition

Cash Flows between a transferor and a transferee attributable to newly transferred assets related to either a securitization, asset-backed financing arrangement, or similar transfer in which the transferor has continuing involvement with the transferred financial assets underlying the transaction (including, but not limited to, servicing, recourse, and restrictions on transferor's interests in the transferred financial assets).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (d)(1)
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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.

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- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 4
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- Definition

Reflects the net positive or negative amount derived from subtracting from net proceeds of sale and the carrying amounts, net of allocated reserves, of financial assets transferred to third parties in transactions that qualify for sales treatment.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 20
-Section 50
-Paragraph 5
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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

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- Definition

The percentage points (also referred to as 'margin') added to the reference rate as stated in the loan agreement and used to compute the variable rate on the loans receivable. For instance, the loan agreement might state that the interest rate the borrower is obligated to pay is the London Interbank Offered Rate (LIBOR) plus three quarters (3/4) of a percentage point adjusted quarterly (each three months). LIBOR in this example is the index or reference rate, 3/4 percentage point is the margin, the reference rate plus the margin is the fully indexed rate. This element would be used to report separately the margin.

+ References

No definition available.

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- Definition

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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- Definition

Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

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- Definition

The transferor's maximum amount of exposure to loss as a result of its continuing involvement in transferred financial assets.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Commercial Mortgage, Subordinate Loans and Other Lending Assets, Net - Additional Information (Details) $ in Thousands		3 Months Ended						9 Months Ended		12 Months Ended
	Sep. 30, 2019 USD ($) $ / ft²	Sep. 30, 2019 USD ($) $ / ft²	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($) $ / ft²	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Sep. 30, 2019 USD ($) $ / ft²	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) $ / ft²	Dec. 31, 2018 USD ($) $ / ft²	Dec. 31, 2016 USD ($)	Mar. 31, 2018
Financing Receivable, Allowance for Credit Loss [Line Items]
Percentage of loan portfolio								100.00%			100.00%
Provision for loan losses and impairments, net of reversal		$ 35,000			$ 0			$ 20,000	$ 5,000
Carrying value	$ 6,114,574	6,114,574		$ 4,927,593				6,114,574		$ 6,114,574	$ 4,927,593
Payment in kind interest		13,700			10,200			42,800	29,900
Proceeds from pre-payment penalties or accelerated fees		300			$ 200			4,000	$ 1,800
Commercial Mortgage and Subordinated Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for loan losses and impairments, net of reversal								35,000
Amortized cost of the loan	6,114,574	6,114,574		4,927,593				6,114,574		6,114,574	4,927,593
Loan loss provision and impairment								57,000			37,000
Realized loss on investment, net of provision for loan loss reversal			$ 12,500					12,513
Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Carrying value	4,779,501	4,779,501		3,878,981				4,779,501		4,779,501	3,878,981
Subordinate Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Carrying value	1,335,073	1,335,073		1,048,612				1,335,073		1,335,073	1,048,612
Maximum exposure to loss	$ 68,300	68,300						68,300		68,300
Maximum exposure to loss, term	7 years 25 days
Retail Center - Cincinnati, OH \| Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for loan losses and impairments, net of reversal		32,000		15,000						47,000
Amortized cost of the loan	$ 126,100	126,100		156,100				126,100		126,100	156,100
Residential Condominium - Bethesda, MD \| Commercial Mortgage and Subordinated Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for loan losses and impairments, net of reversal		3,000				$ 5,000	$ 2,000
Amortized cost of the loan	15,700	15,700		27,200				15,700		15,700	27,200
Loan loss provision and impairment								13,000
Impairment							$ 3,000
Multifamily - Williston, ND \| Commercial Mortgage and Subordinated Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost of the loan				32,400							32,400
Multifamily - Williston, ND \| Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for loan losses and impairments, net of reversal												$ 10,000
Multifamily - Williston, ND \| Subordinate Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for loan losses and impairments, net of reversal												$ 5,000
Office Campus - Renton, WA \| Subordinate Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Proceeds from sale of loan											75,000
Proceeds from sale of loan, amount funded											17,700
Carrying value				265,000							$ 265,000
Exposure to mortgage loan	190,000	190,000						190,000		190,000
Exposure to mortgage loan, amount funded	$ 121,800	$ 121,800						$ 121,800		$ 121,800
Floating Rate Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Percentage of loan portfolio								94.00%			91.00%
Net operating income \| Retail Center - Cincinnati, OH \| Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan collateral				$ 10,500							$ 10,500
Capitalization rate \| Retail Center - Cincinnati, OH \| Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan collateral, measurement input	0.0775	0.0775		0.0675				0.0775		0.0775	0.0675
Dollars per square foot \| Residential Condominium - Bethesda, MD \| Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan collateral, measurement input \| $ / ft²	597,000	597,000		662				597,000		597,000	662
Discount rate \| Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan collateral, measurement input												0.10
Discount rate \| Residential Condominium - Bethesda, MD \| Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan collateral, measurement input	0.10	0.10		0.15				0.10		0.10	0.15
Terminal capitalization rate \| Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan collateral, measurement input												0.11
Contractual Interest Rate Reduction \| Retail Center - Cincinnati, OH \| Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Unpaid principal balance of loan restructured						$ 171,200
Contractual Interest Rate Reduction \| London Interbank Offered Rate (LIBOR) \| Retail Center - Cincinnati, OH \| Commercial Mortgage Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Basis spread on variable rate						3.00%							5.50%