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v3.19.1

LOANS - Internal Loan and Preferred Equity Ratings (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2018 USD ($) loan
Real Estate [Line Items] |  |  |  |
Outstanding Principal | $ 106,622,443,000 | $ 96,602,237,000 |  | $ 96,602,237,000
Loan loss provision recorded during period | 5,703,000 | 3,500,000 | $ 0 |
Commercial Mortgage |  |  |  |
Real Estate [Line Items] |  |  |  |
Outstanding Principal | $ 1,474,288,000 | $ 1,307,911,000 |  | $ 1,307,911,000
Percentage of CRE Debt and Preferred Equity Portfolio | 100.00% | 100.00% |  | 100.00%
Performing | $ 882,458,000 | $ 793,842,000 |  | $ 793,842,000
Performing - Closely Monitored | 332,437,000 | 254,676,000 |  | 254,676,000
Performing - Special Mention | 151,400,000 | 151,400,000 |  | 151,400,000
Substandard | 64,390,000 | 100,993,000 |  | 100,993,000
Doubtful | 43,603,000 | 7,000,000 |  | 7,000,000
Loss | 0 | 0 |  | $ 0
Number of rated loans | loan |  |  |  | 1
Senior mortgages | Commercial Mortgage |  |  |  |
Real Estate [Line Items] |  |  |  |
Outstanding Principal | $ 405,968,000 | $ 988,248,000 |  | $ 988,248,000
Percentage of CRE Debt and Preferred Equity Portfolio | 27.60% | 75.60% |  | 75.60%
Performing | $ 276,479,000 | $ 653,066,000 |  | $ 653,066,000
Performing - Closely Monitored | 65,099,000 | 215,792,000 |  | 215,792,000
Performing - Special Mention | 0 | 55,000,000 |  | 55,000,000
Substandard | 64,390,000 | 64,390,000 |  | 64,390,000
Doubtful | 0 | 0 |  | 0
Loss | 0 | 0 |  | 0
Senior Securitized Mortgages | Commercial Mortgage |  |  |  |
Real Estate [Line Items] |  |  |  |
Outstanding Principal | $ 739,058,000 | 0 |  | 0
Percentage of CRE Debt and Preferred Equity Portfolio | 50.10% |  |  |
Performing | $ 466,258,000 |  |  |
Performing - Closely Monitored | 217,800,000 |  |  |
Performing - Special Mention | 55,000,000 |  |  |
Substandard | 0 |  |  |
Doubtful | 0 |  |  |
Loss | 0 |  |  |
Mezzanine loans | Commercial Mortgage |  |  |  |
Real Estate [Line Items] |  |  |  |
Outstanding Principal | $ 329,262,000 | $ 319,663,000 |  | $ 319,663,000
Percentage of CRE Debt and Preferred Equity Portfolio | 22.30% | 24.40% |  | 24.40%
Performing | $ 139,721,000 | $ 140,776,000 |  | $ 140,776,000
Performing - Closely Monitored | 49,538,000 | 38,884,000 |  | 38,884,000
Performing - Special Mention | 96,400,000 | 96,400,000 |  | 96,400,000
Substandard | 0 | 36,603,000 |  | 36,603,000
Doubtful | 43,603,000 | 7,000,000 |  | 7,000,000
Loss | $ 0 | $ 0 |  | $ 0

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