Related Party Transactions	12 Months Ended
Dec. 31, 2015
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions Management Agreement In connection with the Company’s initial public offering in September 2009, the Company entered into a management agreement (the “Management Agreement”) with ACREFI Management, LLC (the “Manager”), which describes the services to be provided by the Manager and its compensation for those services. The Manager is responsible for managing the Company’s day-to-day operations, subject to the direction and oversight of the Company’s board of directors. Pursuant to the terms of the Management Agreement, the Manager is paid a base management fee equal to 1.5% per annum of the Company’s stockholders’ equity (as defined in the Management Agreement), calculated and payable (in cash) quarterly in arrears. The current term of the Management Agreement expires on September 29, 2016, and is automatically renewed for successive one-year terms on each anniversary thereafter. The Management Agreement may be terminated upon expiration of the one-year terms only upon the affirmative vote of at least two-thirds of the Company’s independent directors, based upon (1) unsatisfactory performance by the Manager that is materially detrimental to the Company or (2) a determination that the management fee payable to the Manager is not fair, subject to the Manager’s right to prevent such a termination based on unfair fees by accepting a mutually acceptable reduction of management fees agreed to by at least two-thirds of the Company’s independent directors. The Manager must be provided with written notice of any such termination at least 180 days prior to the expiration of the then existing term and will be paid a termination fee equal to three times the sum of the average annual base management fee during the 24-month period immediately preceding the date of termination, calculated as of the end of the most recently completed fiscal quarter prior to the date of termination. Following a meeting by the Company’s independent directors in February 2016, which included a discussion of the Manager’s performance and the level of the management fees thereunder, the Company determined not to seek termination of the Management Agreement. For 2015, 2014 and 2013, respectively, the Company incurred approximately $16,619, $11,960 and $10,012 in base management fees. In addition to the base management fee, the Company is also responsible for reimbursing the Manager for certain expenses paid by the Manager on behalf of the Company or for certain services provided by the Manager to the Company. For 2015, 2014 and 2013, respectively, the Company recorded expenses totaling $1,421, $985 and $745 related to reimbursements for certain expenses paid by the Manager on behalf of the Company. Expenses incurred by the Manager and reimbursed by the Company are reflected in the respective consolidated statement of operations expense category or the consolidated balance sheet based on the nature of the item. Included in payable to related party on the consolidated balance sheet at December 31, 2015 and December 31, 2014, respectively, is approximately $5,297 and $3,240 for base management fees incurred but not yet paid. Placement Agent Fees In connection with the private placement that closed on September 21, 2015, the Company agreed to pay a placement agent fee of $500 to Apollo Global Securities, LLC. See "Note 15 - Stockholders' Equity" for further information related to the private placement. Unconsolidated Joint Venture In September 2014, the Company, through a wholly owned subsidiary, acquired a 59% ownership interest in Champ LP following which a wholly-owned subsidiary of Champ LP then acquired a 35% ownership interest in KBC Bank, the German subsidiary of Belgian KBC Group NV. KBC Bank subsequently renamed Bremer Kreditbank AG. The Company acquired its ownership interest in Champ LP for an initial purchase price paid at closing of approximately €30,724 (or $39,477). The Company committed to invest up to approximately €38,000 (or $50,000). In January 2015, the Company funded an additional investment of €3,331 (or $3,929) related to its investment in Champ LP. In February 2015, the Company sold approximately 48% of its ownership interest in Champ LP at cost to an account managed by Apollo for approximately €16,314 (or $20,794), reducing its unfunded commitment to Champ LP to €3,229 (or $3,508). Through its interest in Champ LP, the Company now holds an indirect ownership interest of approximately 11% in Bremer Kreditbank AG, which operates under the name BKB Bank. The Company together with certain other affiliated investors and unaffiliated third party investors, in aggregate, own 100% of BKB Bank. GE Capital and Mubadala Loan Portfolio On September 29, 2015, the Company entered into a commitment to purchase a real estate loan portfolio from Mubadala GE Capital Ltd representing approximately $375,355 of first mortgage real estate loans (the “Real Estate Loans”). The commitment was part of a larger transaction in which affiliates of Apollo agreed to acquire a portfolio of loans from Mubadala GE Capital Ltd (the “Transaction”). The Transaction remains subject to certain regulatory approvals and closing conditions. On October 1, 2015, the Company and MidCap FinCo Limited (“MidCap”), an affiliate of Apollo, entered into an agreement (the “MidCap Agreement”) whereby the Company granted MidCap an option to purchase the Real Estate Loans. In consideration of the option, MidCap paid the Company a fee of $750 during the fourth quarter of 2015. On December 2, 2015, MidCap provided the Company written notice that it exercised its option to purchase the Real Estate Loans, and upon such exercise, the Company transferred, assigned and conveyed to MidCap all of the Company’s right, title and interest to purchase the Real Estate Loans under the Company’s commitment with Mubadala GE Capital Ltd.

Related Party Transactions

Management Agreement

In connection with the Company’s initial public offering in September 2009, the Company entered into a management agreement (the “Management Agreement”) with ACREFI Management, LLC (the “Manager”), which describes the services to be provided by the Manager and its compensation for those services. The Manager is responsible for managing the Company’s day-to-day operations, subject to the direction and oversight of the Company’s board of directors.

Pursuant to the terms of the Management Agreement, the Manager is paid a base management fee equal to 1.5% per annum of the Company’s stockholders’ equity (as defined in the Management Agreement), calculated and payable (in cash) quarterly in arrears.

The current term of the Management Agreement expires on September 29, 2016, and is automatically renewed for successive one-year terms on each anniversary thereafter. The Management Agreement may be terminated upon expiration of the one-year terms only upon the affirmative vote of at least two-thirds of the Company’s independent directors, based upon (1) unsatisfactory performance by the Manager that is materially detrimental to the Company or (2) a determination that the management fee payable to the Manager is not fair, subject to the Manager’s right to prevent such a termination based on unfair fees by accepting a mutually acceptable reduction of management fees agreed to by at least two-thirds of the Company’s independent directors. The Manager must be provided with written notice of any such termination at least 180 days prior to the expiration of the then existing term and will be paid a termination fee equal to three times the sum of the average annual base management fee during the 24-month period immediately preceding the date of termination, calculated as of the end of the most recently completed fiscal quarter prior to the date of termination. Following a meeting by the Company’s independent directors in February 2016, which included a discussion of the Manager’s performance and the level of the management fees thereunder, the Company determined not to seek termination of the Management Agreement.

For 2015, 2014 and 2013, respectively, the Company incurred approximately $16,619, $11,960 and $10,012 in base management fees. In addition to the base management fee, the Company is also responsible for reimbursing the Manager for certain expenses paid by the Manager on behalf of the Company or for certain services provided by the Manager to the Company. For 2015, 2014 and 2013, respectively, the Company recorded expenses totaling $1,421, $985 and $745 related to reimbursements for certain expenses paid by the Manager on behalf of the Company. Expenses incurred by the Manager and reimbursed by the Company are reflected in the respective consolidated statement of operations expense category or the consolidated balance sheet based on the nature of the item.

Included in payable to related party on the consolidated balance sheet at December 31, 2015 and December 31, 2014, respectively, is approximately $5,297 and $3,240 for base management fees incurred but not yet paid.

Placement Agent Fees

In connection with the private placement that closed on September 21, 2015, the Company agreed to pay a placement agent fee of $500 to Apollo Global Securities, LLC. See "Note 15 - Stockholders' Equity" for further information related to the private placement.

Unconsolidated Joint Venture

In September 2014, the Company, through a wholly owned subsidiary, acquired a 59% ownership interest in Champ LP following which a wholly-owned subsidiary of Champ LP then acquired a 35% ownership interest in KBC Bank, the German subsidiary of Belgian KBC Group NV. KBC Bank subsequently renamed Bremer Kreditbank AG. The Company acquired its ownership interest in Champ LP for an initial purchase price paid at closing of approximately €30,724 (or $39,477). The Company committed to invest up to approximately €38,000 (or $50,000).

In January 2015, the Company funded an additional investment of €3,331 (or $3,929) related to its investment in Champ LP. In February 2015, the Company sold approximately 48% of its ownership interest in Champ LP at cost to an account managed by Apollo for approximately €16,314 (or $20,794), reducing its unfunded commitment to Champ LP to €3,229 (or $3,508). Through its interest in Champ LP, the Company now holds an indirect ownership interest of approximately 11% in Bremer Kreditbank AG, which operates under the name BKB Bank. The Company together with certain other affiliated investors and unaffiliated third party investors, in aggregate, own 100% of BKB Bank.

GE Capital and Mubadala Loan Portfolio

On September 29, 2015, the Company entered into a commitment to purchase a real estate loan portfolio from Mubadala GE Capital Ltd representing approximately $375,355 of first mortgage real estate loans (the “Real Estate Loans”). The commitment was part of a larger transaction in which affiliates of Apollo agreed to acquire a portfolio of loans from Mubadala GE Capital Ltd (the “Transaction”). The Transaction remains subject to certain regulatory approvals and closing conditions. On October 1, 2015, the Company and MidCap FinCo Limited (“MidCap”), an affiliate of Apollo, entered into an agreement (the “MidCap Agreement”) whereby the Company granted MidCap an option to purchase the Real Estate Loans. In consideration of the option, MidCap paid the Company a fee of $750 during the fourth quarter of 2015.

On December 2, 2015, MidCap provided the Company written notice that it exercised its option to purchase the Real Estate Loans, and upon such exercise, the Company transferred, assigned and conveyed to MidCap all of the Company’s right, title and interest to purchase the Real Estate Loans under the Company’s commitment with Mubadala GE Capital Ltd.