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v3.19.1

LOANS - CRE Debt and Preferred Equity Investments - Based on Outstanding Principal (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Real Estate [Line Items] |  |
Principal payments | $ (66,755) |
Commercial Mortgage |  |
Real Estate [Line Items] |  |
Net carrying value, beginning balance | 1,296,803 | $ 1,029,327
Originations & advances (principal) | 905,673 | 628,177
Principal payments | (385) | (353,424)
Transfers | (738,910) |
Net (increase) decrease in origination fees | (1,857) | (6,994)
Amortization of net origination fees | 1,205 | 3,213
Allowance for loan losses | (5,703) | (3,496)
Net carrying value, ending balance | 1,456,826 | 1,296,803
Commercial Mortgage | Senior mortgages |  |
Real Estate [Line Items] |  |
Net carrying value, beginning balance | 981,202 | 625,900
Originations & advances (principal) | 148,341 | 575,953
Principal payments | (385) | (216,849)
Transfers | (730,235) |
Net (increase) decrease in origination fees | 3,815 | (6,624)
Amortization of net origination fees | 759 | 2,822
Allowance for loan losses | 0 | 0
Net carrying value, ending balance | 403,497 | 981,202
Commercial Mortgage | Senior Securitized Mortgages |  |
Real Estate [Line Items] |  |
Net carrying value, beginning balance | 0 |
Originations & advances (principal) | 739,058 |
Principal payments | 0 |
Transfers | 0 |
Net (increase) decrease in origination fees | (5,488) |
Amortization of net origination fees | 294 |
Allowance for loan losses | 0 |
Net carrying value, ending balance | 733,864 | 0
Commercial Mortgage | Preferred equity |  |
Real Estate [Line Items] |  |
Net carrying value, beginning balance | 0 | 8,985
Originations & advances (principal) | 0 | 0
Principal payments | 0 | (9,000)
Transfers | 0 |
Net (increase) decrease in origination fees | 0 | 0
Amortization of net origination fees | 0 | 15
Allowance for loan losses | 0 | 0
Net carrying value, ending balance | 0 | 0
Mezzanine loans | Commercial Mortgage |  |
Real Estate [Line Items] |  |
Net carrying value, beginning balance | 315,601 | 394,442
Originations & advances (principal) | 18,274 | 52,224
Principal payments | 0 | (127,575)
Transfers | (8,675) |
Net (increase) decrease in origination fees | (184) | (370)
Amortization of net origination fees | 152 | 376
Allowance for loan losses | (5,703) | (3,496)
Net carrying value, ending balance | $ 319,465 | $ 315,601

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- Definition (Increase) Decrease in Lease Origination Costs + References No definition available. + Details
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- Definition The net increase(decrease) in interest income during the period representing the allocation of deferred loan origination fees less deferred loan origination costs using the effective interest method over the term of the debt arrangement to which they pertain taking into account the effect of prepayments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 30 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6378273&loc=d3e8446-111530 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6962437&loc=d3e7402-111529 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82894254&loc=d3e8622-111531 + Details
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- Definition The amount of principal collected on mortgage loans on real estate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.6) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 + Details
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