XML 63 R50.htm IDEA: XBRL DOCUMENT
v3.22.4

Commercial Mortgage Loans, Subordinate Loans and Other Lending Assets, Net - Additional Information (Details) £ in Millions |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2022 USD ($) | May 24, 2021 USD ($) | Sep. 30, 2022 GBP (£) | Dec. 31, 2022 USD ($) loan | Dec. 31, 2022 GBP (£) | Sep. 30, 2022 USD ($) loan | Jun. 30, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2020 GBP (£) | Jun. 30, 2020 USD ($) loan | Mar. 31, 2020 USD ($) | Mar. 31, 2020 GBP (£) | Dec. 31, 2018 USD ($) | Dec. 31, 2022 USD ($) loan extension | Dec. 31, 2022 GBP (£) extension | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2022 GBP (£) loan | Nov. 30, 2020 USD ($) | Nov. 30, 2020 GBP (£) | Dec. 31, 2015 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage loans on real estate, commercial and consumer, percentage of portfolio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00% |  |  |  |  |
Interest receivable |  |  |  |  | $ 65,383,000 |  |  |  | $ 41,219,000 |  |  |  |  |  |  |  |  | $ 65,383,000 |  | $ 41,219,000 |  |  |  |  |
General CECL (allowance) reversal |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (6,100,000) |  | (4,800,000) |  |  |  |  |
Amortized cost of loans in cost recovery |  |  |  |  | $ 468,000,000 |  |  |  | 639,600,000 |  |  |  |  |  |  |  |  | 468,000,000 |  | 639,600,000 |  |  |  |  |
Interest received for loans in cost recovery |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,200,000 |  | 1,400,000 |  |  |  |  |
Number of loans | loan |  |  |  |  | 3 |  | 3 |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  | 3 |  |  |
Total carrying value, net |  |  |  |  | $ 8,681,990,000 |  |  |  | 7,857,260,000 |  |  |  |  |  |  |  |  | $ 8,681,990,000 |  | 7,857,260,000 |  |  |  |  |
Payment in kind interest |  |  |  |  | 10,000,000.0 |  |  |  | 47,700,000 |  |  |  |  |  |  |  |  | 46,700,000 |  |  |  |  |  |  |
Decrease in Specific CECL Allowance, net |  |  | $ 10,000,000 |  |  |  |  | $ (10,000,000) |  | $ 20,000,000 |  |  |  |  |  |  |  | (11,500,000) |  |  |  |  |  |  |
Allowance for credit loss, current |  |  |  |  | (7,000,000) |  |  | (7,000,000) |  |  |  |  |  |  |  |  |  | $ (7,000,000) |  |  |  |  |  |  |
Number of extensions available | extension |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 2 |  |  |  |  |  |
Off-balance sheet, credit loss, liability |  |  |  |  | 4,347,000 |  |  |  | 3,106,000 |  | $ 3,365,000 |  |  |  |  |  |  | $ 4,347,000 |  | 3,106,000 | $ 3,365,000 |  |  |  |
Financing receivable, allowance for credit loss, excluding accrued interest |  |  |  |  | 133,500,000 |  |  |  | 145,000,000 |  |  |  |  |  |  |  |  | 133,500,000 |  | 145,000,000 |  |  |  |  |
Realized loss on investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (18,683,000) |  | 20,767,000 | 47,632,000 |  |  |  |
Proceeds from pre-payment penalties or accelerated fees |  |  |  |  | 3,800,000 |  |  |  | 1,500,000 |  |  |  |  |  |  |  |  | 200,000 |  |  |  |  |  |  |
Debt instrument, shared appreciation fees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,700,000 |  |  |  |  |
Number of loans not repaid | loan |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized (loss) on investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,894,000 |  | 20,767,000 |  |  |  |  |
Number of construction loans | loan |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |
Sale of Mezzanine Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  | 100,000,000 |  |  |  | 41,900,000 |  |  |  |  |  |  |  |  | 100,000,000 |  | 41,900,000 |  |  |  |  |
Realized (loss) on investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  | (800,000) |  |  |  |  |
Proceeds from sale of loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 81,300,000 | £ 62.2 |  |  |  |  |  |  |  |  |
Sale Of Unfunded Commitment Of Senior Mortgage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 65,300,000 | £ 50.0 |  |  |  |  |  |  |  |  |
Sale Of Mezzanine Loan Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized (loss) on investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |
Sale Of Construction Loan Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party transaction, loan interests sold |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 376,900,000 |  |  |  |  |  |  |  |  |  |  |
Related party, loan interests sold, funded amount |  |  |  |  |  |  |  |  |  |  |  |  |  | 127,000,000 |  |  |  |  |  |  |  |  |  |  |
Related party transaction, gain (loss) on loan interests sold |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,400,000 |  |  |  |  |  |  |  |  |  |  |
Sale of Inventory Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party transaction, gain (loss) on loan interests sold |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Related party transaction, outstanding principal on loan |  |  |  |  |  |  |  |  |  |  |  | $ 124,200,000 | £ 97.5 |  |  |  |  |  |  |  |  |  |  |  |
Sale Of Residential-For-Sale Inventory Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  |  |  |  |  |  |  | 73,400,000 |  |  |  |  |  |  |  |  |  | 73,400,000 |  |  |  |
Realized (loss) on investment |  |  |  |  |  |  |  |  |  |  | (2,700,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subordinate Mortgage Portfolio Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net | [1],[2] |  |  |  | 560,881,000 |  |  |  | 844,948,000 |  |  |  |  |  |  |  |  | 560,881,000 |  | 844,948,000 |  |  |  |  |
Specific CECL Allowance |  |  |  |  | 191,608,000 |  |  |  | 0 |  |  |  |  |  |  |  |  | 191,608,000 |  | 0 |  |  |  |  |
Maximum exposure to loss |  |  |  |  | 51,100,000 |  |  |  | 64,600,000 |  |  |  |  |  |  |  |  | $ 51,100,000 |  | $ 64,600,000 |  |  |  |  |
Maximum exposure to loss, term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year 4 months 24 days | 1 year 4 months 24 days | 4 years 6 months |  |  |  |  |
Subordinate Mortgage Portfolio Segment | Residential Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized (loss) on investment |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt related to real estate owned, held for sale |  |  |  |  |  |  |  |  | 31,200,000 |  |  |  |  |  |  |  |  |  |  | $ 31,200,000 |  |  |  |  |
Commercial Mortgage and Subordinated Portfolio Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  | 138,300,000 |  |  |  | 97,800,000 |  |  |  |  |  |  |  |  | $ 138,300,000 |  | 97,800,000 |  |  |  |  |
Decrease in Specific CECL Allowance, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (11,500,000) |  |  |  |  |  |  |
Specific CECL Allowance |  |  |  |  | 8,708,214,000 |  |  |  | 7,890,848,000 |  |  |  |  |  |  |  |  | 8,708,214,000 |  | 7,890,848,000 |  |  |  |  |
Financing receivable, allowance for credit loss, excluding accrued interest |  |  |  |  | 133,500,000 |  |  |  | 145,000,000 |  | 175,000,000 |  |  |  |  |  |  | 133,500,000 |  | 145,000,000 | 175,000,000 |  |  |  |
Increase (decrease) in current expected credit loss allowance, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,396,000 |  | (20,000,000) |  |  |  |  |
Realized loss on investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,000,000 |  |  |  |  |
Hotel - Pittsburgh, PA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 38,500,000 |  |  |  |  |  |  |  |
Decrease in Specific CECL Allowance, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,500,000 |  |  |  |  |  |  |  |
Commitment to lend |  |  |  |  |  |  |  |  |  |  | 11,400,000 |  |  |  |  |  |  |  |  |  | 11,400,000 |  |  |  |
Payments for (proceeds from) loans receivable |  |  |  |  |  |  |  |  |  |  | 5,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, contribution of additional equity, borrowing of loan |  |  |  |  |  |  |  |  |  |  | $ 11,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, troubled debt restructuring |  |  |  |  | 27,100,000 |  |  |  | 25,700,000 |  |  |  |  |  |  |  |  | 27,100,000 |  | 25,700,000 |  |  |  |  |
Amortized cost prior to Specific CECL Allowance |  |  |  |  | 27,000,000 |  |  |  | 25,600,000 |  |  |  |  |  |  |  |  | 27,000,000 |  | 25,600,000 |  |  |  |  |
Hotel - New York City |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 157,800,000
Realized loss on investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,000,000 |  |  |  |
Financing receivable, contribution of additional equity, borrowing of loan |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,000,000 |  |  |  |  |  |  |  |  |  |  |
Financing receivable, troubled debt restructuring |  |  |  |  | 142,800,000 |  |  |  | 142,800,000 |  |  |  |  |  |  |  |  | 142,800,000 |  | 142,800,000 |  |  |  |  |
Amortized cost prior to Specific CECL Allowance |  |  |  |  | 145,900,000 |  |  |  | 145,300,000 |  |  |  |  |  |  |  |  | 145,900,000 |  | 145,300,000 |  |  |  |  |
Affiliated Entity | CCOF Design Venture, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General CECL (allowance) reversal |  |  |  |  |  |  | $ (53,000,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in Specific CECL Allowance, net |  |  |  |  | 17,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Specific CECL Allowance |  |  |  |  | 119,000,000 |  |  |  |  |  |  |  |  |  |  |  |  | 119,000,000 |  |  |  |  |  |  |
Financing receivable, allowance for credit loss, excluding accrued interest |  |  |  |  | 2,900,000 |  |  | $ 68,000,000 |  |  |  |  |  |  |  |  |  | 2,900,000 |  |  |  |  |  |  |
Realized loss on investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,900,000 |  |  |  |  |  |  |
Urban Retail |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 422,700,000 | £ 309.2 |
Urban Retail | Commercial Mortgage and Subordinated Portfolio Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 338,400,000 | £ 247.5 |
Mixed Use Property - London | Commercial Mortgage and Subordinated Portfolio Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Off-balance-sheet, credit loss, liability, transfers |  |  |  | £ 293.4 | 327,700,000 | £ 293.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized (loss) on investment |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Office - London, United Kingdom | Commercial Mortgage and Subordinated Portfolio Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortized cost of loans in cost recovery |  |  |  |  | $ 113,300,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 113,300,000 |  |  |  | £ 93.7 |  |  |
Financing receivable, default interest rate |  |  |  |  | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  | 2.00% |  |  |
Financing receivable, excluding accrued interest, allowance for credit loss, loan sold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 25,100,000 | £ 20.8 |  |  |  |  |  |
Past Due 90 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortized cost of loans in cost recovery |  |  |  |  | $ 581,300,000 |  |  |  | 757,600,000 |  |  |  |  |  |  |  |  | $ 581,300,000 |  | 757,600,000 |  |  |  |  |
Past Due 30-80 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortized cost of loans in cost recovery |  |  |  |  |  |  |  |  | $ 19,000,000 |  |  |  |  |  |  |  |  |  |  | $ 19,000,000 |  |  |  |  |
Floating Rate Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage loans on real estate, commercial and consumer, percentage of portfolio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 98.00% | 98.00% | 98.00% |  |  |  |  |
Senior Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  | 274,100,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 274,100,000 |  |  |  |  |  |  |
Senior Loans | Residential-For-Sale Property - Manhattan, NY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  | 736,300,000 |  |  |  |  |  |  |  |  |  |  |  |  | 736,300,000 |  |  |  |  |  |  |
Mezzanine Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortized cost of loans in cost recovery |  |  |  |  | 15,480,000 |  |  |  |  |  |  |  |  |  |  |  |  | 15,480,000 |  |  |  |  |  |  |
Payment in kind interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 82,500,000 |  |  |  |  |  |  |
Financing receivable, allowance for credit loss, excluding accrued interest |  |  |  |  | 66,500,000 |  |  |  |  |  |  |  |  |  |  |  |  | 66,500,000 |  |  |  |  |  |  |
Amortized cost prior to Specific CECL Allowance |  |  |  |  | 81,980,000 |  |  |  |  |  |  |  |  |  |  |  |  | 81,980,000 |  |  |  |  |  |  |
Mezzanine Loans | Subordinate Mortgage Portfolio Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in Specific CECL Allowance, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |
Senior Mezzanine Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  | $ 191,600,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 191,600,000 |  |  |  |  |  |  |
Senior Mezzanine Loans | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, basis spread on variable rate |  |  |  |  | 15.70% |  |  |  |  |  |  |  |  |  |  |  |  | 15.70% |  |  |  | 15.70% |  |  |
Senior Mezzanine Loans | Secured Overnight Financing Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, basis spread on variable rate |  |  |  |  | 9.00% |  |  |  |  |  |  |  |  |  |  |  |  | 9.00% |  |  |  | 9.00% |  |  |
Junior Mezzanine A Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  | $ 255,100,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 255,100,000 |  |  |  |  |  |  |
Junior Mezzanine A Loan | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, basis spread on variable rate |  |  |  |  | 22.50% |  |  |  |  |  |  |  |  |  |  |  |  | 22.50% |  |  |  | 22.50% |  |  |
Junior Mezzanine A Loan | Secured Overnight Financing Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, basis spread on variable rate |  |  |  |  | 15.00% |  |  |  |  |  |  |  |  |  |  |  |  | 15.00% |  |  |  | 15.00% |  |  |
Junior Mezzanine B Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  | $ 15,500,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,500,000 |  |  |  |  |  |  |
Decrease in Specific CECL Allowance, net |  | $ 30,000,000 |  |  | $ 36,500,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 66,500,000 |  |  |  |  |  |  |
Junior Mezzanine B Loan | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, basis spread on variable rate |  |  |  |  | 17.50% |  |  |  |  |  |  |  |  |  |  |  |  | 17.50% |  |  |  | 17.50% |  |  |
Junior Mezzanine B Loan | Secured Overnight Financing Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, basis spread on variable rate |  |  |  |  | 15.00% |  |  |  |  |  |  |  |  |  |  |  |  | 15.00% |  |  |  | 15.00% |  |  |
Senior and Junior Mezzanine Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage loans on real estate, commercial and consumer, percentage of portfolio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.30% | 5.30% |  |  |  |  |  |
Total carrying value, net |  |  |  |  | $ 462,200,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 462,200,000 |  |  |  |  |  |  |
Unfunded Loan Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total carrying value, net |  |  |  |  | 97,800,000 |  |  |  |  |  |  |  |  |  |  |  |  | 97,800,000 |  |  |  |  |  |  |
Specific CECL Allowance |  |  |  |  | 98,200,000 |  |  |  |  |  |  |  |  |  |  |  |  | 98,200,000 |  |  |  |  |  |  |
Off-balance sheet, credit loss, liability |  |  |  |  |  |  | $ 9,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unfunded Loan Commitment | Affiliated Entity | CCOF Design Venture, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Specific CECL Allowance |  |  |  |  | $ 133,000,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 133,000,000 |  |  |  |  |  |  |
[1] | Includes $191,608 and $0 pledged as collateral under secured debt arrangements in 2022 and 2021, respectively.
[2] | Net of $159,724 and $178,588 CECL Allowance in 2022 and 2021, respectively, comprised of $133,500 and $145,000 Specific CECL Allowance and $26,224 and $33,588 General CECL Allowance, respectively.

X
- Definition Debt Instrument, Number Of Extensions Available + References No definition available. + Details
Name: | ari_DebtInstrumentNumberOfExtensionsAvailable
Namespace Prefix: | ari_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Shared Appreciation Fees + References No definition available. + Details
Name: | ari_DebtInstrumentSharedAppreciationFees
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debt Related To Real Estate Owned, Held For Sale + References No definition available. + Details
Name: | ari_DebtRelatedToRealEstateOwnedHeldForSale
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financing Receivable, Basis Spread On Variable Rate + References No definition available. + Details
Name: | ari_FinancingReceivableBasisSpreadOnVariableRate
Namespace Prefix: | ari_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing Receivable, Contribution Of Additional Equity, Borrowing Of Loan + References No definition available. + Details
Name: | ari_FinancingReceivableContributionOfAdditionalEquityBorrowingOfLoan
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Cost Recovery + References No definition available. + Details
Name: | ari_FinancingReceivableCostRecovery
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable, Cost Recovery, Interest Received + References No definition available. + Details
Name: | ari_FinancingReceivableCostRecoveryInterestReceived
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Financing Receivable, Cost Recovery, Net + References No definition available. + Details
Name: | ari_FinancingReceivableCostRecoveryNet
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable, Default Interest Rate + References No definition available. + Details
Name: | ari_FinancingReceivableDefaultInterestRate
Namespace Prefix: | ari_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing Receivable, General Allowance, Credit Loss, Expense (Reversal) + References No definition available. + Details
Name: | ari_FinancingReceivableGeneralAllowanceCreditLossExpenseReversal
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Loan Specific, Credit Loss, Expense (Reversal) + References No definition available. + Details
Name: | ari_FinancingReceivableLoanSpecificCreditLossExpenseReversal
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Guarantor Obligations, Maximum Exposure, Term + References No definition available. + Details
Name: | ari_GuarantorObligationsMaximumExposureTerm
Namespace Prefix: | ari_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Mortgage Loans on Real Estate, Commercial and Consumer, Percentage of Portfolio + References No definition available. + Details
Name: | ari_MortgageLoansOnRealEstateCommercialAndConsumerPercentageOfPortfolio
Namespace Prefix: | ari_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Construction Loans + References No definition available. + Details
Name: | ari_NumberOfConstructionLoans
Namespace Prefix: | ari_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Loans + References No definition available. + Details
Name: | ari_NumberOfLoans
Namespace Prefix: | ari_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Loans Not Repaid + References No definition available. + Details
Name: | ari_NumberOfLoansNotRepaid
Namespace Prefix: | ari_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Off-Balance-Sheet, Credit Loss, Liability, Transfers + References No definition available. + Details
Name: | ari_OffBalanceSheetCreditLossLiabilityTransfers
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Proceeds From Pre-payment Penalties + References No definition available. + Details
Name: | ari_ProceedsFromPrepaymentPenalties
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Related Party, Loan Interests Sold, Funded Amount + References No definition available. + Details
Name: | ari_RelatedPartyLoanInterestsSoldFundedAmount
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Related Party Transaction, Gain (Loss) On Loan Interests Sold + References No definition available. + Details
Name: | ari_RelatedPartyTransactionGainLossOnLoanInterestsSold
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Related Party Transaction, Loan Interests Sold + References No definition available. + Details
Name: | ari_RelatedPartyTransactionLoanInterestsSold
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Related Party Transaction, Outstanding Principal On Loan + References No definition available. + Details
Name: | ari_RelatedPartyTransactionOutstandingPrincipalOnLoan
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d)(1) -URI https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719 + Details
Name: | us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of realized loss on 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 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27357-111563 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable, classified as current. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from sale of loan. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossLoanSold
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248 + Details
Name: | us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_InterestReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=121570589&loc=d3e107425-111719 + Details
Name: | us-gaap_LoansAndLeasesReceivableGainLossOnSalesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554 + Details
Name: | us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(c)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
Name: | us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121611286&loc=d3e11927-110247 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82919202-210446 + Details
Name: | us-gaap_OffBalanceSheetCreditLossLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_PaidInKindInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net amount paid or received by the reporting entity associated with purchase (sale or collection) of loans receivable arising from the financing of goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3098-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3095-108585 + Details
Name: | us-gaap_PaymentsForProceedsFromLoansReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=ari_SaleOfMezzanineLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=ari_SaleOfUnfundedCommitmentOfSeniorMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=ari_SaleOfMezzanineLoanTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=ari_SaleOfConstructionLoanInterestsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=ari_SaleOfInventoryLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=ari_SaleOfResidentialForSaleInventoryLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ari_SubordinateMortgagePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ari_CommercialMortgageandSubordinatedPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=ari_HotelPittsburghPAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=ari_HotelNewYorkCityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_AffiliatedEntityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=ari_CCOFDesignVentureLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ari_UrbanRetailMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ari_MixedUsePropertyLondonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ari_OfficeLondonUnitedKingdomMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=ari_FinancialAsset30To80DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ari_FloatingRateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_SeniorLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ari_ResidentialForSalePropertyManhattanNYMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ari_MezzanineLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ari_SeniorMezzanineLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=ari_SecuredOvernightFinancingRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ari_JuniorMezzanineALoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ari_JuniorMezzanineBLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ari_SeniorAndJuniorMezzanineLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_UnfundedLoanCommitmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |