Summary of Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 30, 2017
Accounting Policies [Abstract]  
Schedule of Restricted Cash and Escrow Deposits
Restricted cash and deposits in escrow, classified within deferred costs and other assets, net in the accompanying consolidated balance sheets consisted of the following (in thousands):
 
September 30,
2017
 
December 31,
2016
Collateral deposits (1)
$
1,229

 
$
1,374

Tenant improvements, repairs, and leasing commissions (2)
7,988

 
9,739

Master Trust Release (3)
79,353

 
14,412

Loan impounds (4)
330

 
670

Other (5)
7,444

 
644

 
$
96,344

 
$
26,839

(1) Funds held in reserve by lenders which can be applied at their discretion to the repayment of debt (any funds remaining on deposit after the debt is paid in full are released to the borrower). Balance changes are reflected in financing activities within the Statement of Cash Flows.
(2) Deposits held as additional collateral support by lenders to fund tenant improvements, repairs and leasing commissions incurred to secure a new tenant. Balance changes are reflected in financing activities within the Statement of Cash Flows.
(3) Proceeds from the sale of assets pledged as collateral under the Spirit Master Funding Program, which are held on deposit until a qualifying substitution is made or the funds are applied as prepayment of principal. Balance changes are reflected in investing activities within the Statement of Cash Flows.
(4) Funds held in lender controlled accounts generally used to meet future debt service or certain property operating expenses. Balance changes are reflected in financing activities within the Statement of Cash Flows.
(5) Primarily funds held in lender controlled accounts released after scheduled debt service requirements are met. Balance changes are reflected in operating activities within the Statement of Cash Flows.