Quarterly report pursuant to Section 13 or 15(d)

Commercial Real Estate Loans Held-for-Investment by Internal Risk Rating (Details)

v3.3.0.814
Commercial Real Estate Loans Held-for-Investment by Internal Risk Rating (Details)
$ in Thousands
Sep. 30, 2015
USD ($)
unit
Jun. 30, 2015
USD ($)
Dec. 31, 2014
USD ($)
unit
Sep. 30, 2014
USD ($)
Jun. 30, 2014
USD ($)
Dec. 31, 2013
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans and Leases Receivable, Number of Loans, Commercial | unit 9   0      
Commercial Real Estate Loans Held-for-Investment, Unpaid Principal $ 292,587   $ 0      
Commercial real estate loans held-for-investment $ 290,910 $ 45,605 $ 0 $ 0 $ 0 $ 0
Internal Investment Grade [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans and Leases Receivable, Number of Loans, Commercial | unit 9   0      
Commercial Real Estate Loans Held-for-Investment, Unpaid Principal $ 292,587   $ 0      
Commercial real estate loans held-for-investment $ 290,910   $ 0      
Internal Noninvestment Grade [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans and Leases Receivable, Number of Loans, Commercial | unit 0   0      
Commercial Real Estate Loans Held-for-Investment, Unpaid Principal $ 0   $ 0      
Commercial real estate loans held-for-investment $ 0   $ 0