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Fair Value of Financial Instruments
6 Months Ended
Jun. 30, 2013
Fair Value Disclosures [Abstract]  
Fair Value Disclosures [Text Block]
FAIR VALUE OF FINANCIAL INSTRUMENTS
The Company determined the fair values disclosed below using available market information and discounted cash flow analyses as of June 30, 2013 and December 31, 2012, respectively. The discount rate used in calculating fair value is the sum of the current risk free rate and the risk premium on the date of measurement of the instruments or obligations. Considerable judgment is necessary to interpret market data and to develop the related estimates of fair value. Accordingly, the estimates presented are not necessarily indicative of the amounts that the Company could realize upon disposition. The use of different estimates and valuation methodologies may have a material effect on the fair value amounts shown. The Company believes that the carrying amounts reflected in the consolidated balance sheets at June 30, 2013 and December 31, 2012 approximate the fair values for cash and cash equivalents, accounts receivable, other assets, accounts payable and accrued expenses.
The following are financial instruments for which the Company’s estimates of fair value differ from the carrying amounts (in thousands):
 
June 30, 2013
 
December 31, 2012
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Mortgage notes payable
$
438,404

 
$
474,036

 
$
443,942

 
$
486,412

Unsecured notes payable
$
1,418,548

 
$
1,495,998

 
$
1,430,343

 
$
1,553,123

Variable rate debt
$
528,610

 
$
526,693

 
$
597,610

 
$
595,693

Notes receivable
$
7,026

 
$
7,080

 
$
7,226

 
$
7,783



The fair value of the Company's unsecured notes payable is categorized at a Level 2 basis (as provided by the accounting standard for Fair Value Measurements and Disclosures). This is because the Company valued these instruments using quoted market prices as of June 30, 2013 and December 31, 2012.
The fair value of the Company's mortgage notes payable, variable rate debt and notes receivable are all categorized at a Level 3 basis (as provided by the accounting standard for Fair Value Measurements and Disclosures). The fair value of the variable rate debt was estimated using a discounted cash flow analysis valuation on the borrowing rates currently available to the Company for loans with similar terms and maturities, as applicable. The fair value of the mortgage debt was determined by discounting the future contractual interest and principal payments by a blended market rate. The fair value of the notes receivable was determined by using the expected cash flows of the notes receivable, and discounting those cash flows using the market rate of interest for mortgage notes with a comparable level of risk. These financial instruments have been categorized as Level 3 because the Company considers the rates used in the valuation techniques to be unobservable inputs.
The only significant unobservable input in the discounted cash flow model is the discount rate. For the fair value of the Company's unsecured notes, the Company uses a discount rate based on the indicative new issue pricing provided by lenders. For the Company's mortgage loans, the Company uses an estimate based on its knowledge of the mortgage market. The weighted average discount rate for the combined variable rate debt and mortgage loans used as of June 30, 2013 was 4.657%. An increase in the discount rate used in the discounted cash flow model would result in a decrease to the fair value of the Company's long-term debt. Conversely, a decrease in the discount rate used in the discounted cash flow model would result in an increase to the fair value of the Company's long-term debt.
Disclosure about the fair value of financial instruments is based upon pertinent information available to management as of June 30, 2013 and December 31, 2012. Although management is not aware of any factors that would significantly affect the fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since June 30, 2013, and current estimates of fair value may differ from the amounts presented herein.