Bank and Other Notes Payable:	3 Months Ended
Mar. 31, 2013
Bank and Other Notes Payable:
Bank and Other Notes Payable:	10. Bank and Other Notes Payable: Bank and other notes payable consist of the following: Senior Notes: On March 16, 2007, the Company issued $950,000 in Senior Notes that matured on March 15, 2012. The Senior Notes bore interest at 3.25%, payable semiannually, were senior to unsecured debt of the Company and were guaranteed by the Operating Partnership. On or after December 15, 2011, the Senior Notes were convertible at any time prior to March 13, 2012. The conversion right was not exercised prior to the maturity date of the Senior Notes. On March 15, 2012, the Company paid-off in full the $439,318 of Senior Notes then outstanding. Line of Credit: On May 2, 2011, the Company obtained a $1,500,000 revolving line of credit that bears interest at LIBOR plus a spread of 1.75% to 3.0% depending on the Company's overall leverage and matures on May 2, 2015 with a one-year extension option. This extension option is at the Company's discretion, subject to certain conditions, which the Company believes will be met. Based on the Company's current leverage levels, the borrowing rate on the facility is LIBOR plus 2.25%. The line of credit can be expanded, depending on certain conditions, up to a total facility of $2,000,000 less the outstanding balance of the $125,000 unsecured term loan as described below. As of March 31, 2013 and December 31, 2012, borrowings under the line of credit were $635,000 and $675,000, respectively, at an average interest rate of 2.74% and 2.76%, respectively. The fair value (Level 2 measurement) of the line of credit at March 31, 2013 and December 31, 2012 was $636,502 and $675,107, respectively, based on a present value model using a credit interest rate spread offered to the Company for comparable debt. Term Loan: On December 8, 2011, the Company obtained a $125,000 unsecured term loan under the line of credit that bears interest at LIBOR plus a spread of 1.95% to 3.20% depending on the Company's overall leverage and matures on December 8, 2018. Based on the Company's current leverage levels, the borrowing rate is LIBOR plus 2.20%. As of March 31, 2013 and December 31, 2012, the total interest rate was 2.56% and 2.57%, respectively. The fair value (Level 2 measurement) of the term loan at March 31, 2013 and December 31, 2012 was $122,847 and $121,821, respectively, based on a present value model using a credit interest rate spread offered to the Company for comparable debt. Greeley Note: On July 27, 2006, concurrent with the sale of Greeley Mall, the Company provided marketable securities to replace Greeley Mall as collateral for the mortgage note payable on the property (See Note 6—Marketable Securities). As a result of this transaction, the mortgage note payable was reclassified to bank and other notes payable. This note bears interest at an effective rate of 6.34% and matures in September 2013. At March 31, 2013 and December 31, 2012, the Greeley Note had a balance outstanding of $23,808 and $24,027, respectively. The fair value (Level 2 measurement) of the note at March 31, 2013 and December 31, 2012 was $24,222 and $24,685, respectively, based on current interest rates for comparable notes. The method for computing fair value was determined using a present value model and an interest rate that included a credit value adjustment based on the estimated value of the collateral for the underlying debt. Prasada Note: On March 29, 2013, the Company issued a $13,330 note payable that bears interest at 5.25% and matures on March 29, 2016. The note payable is collateralized by a development reimbursement agreement with the City of Surprise, Arizona. The fair value (Level 2 measurement) of the note at March 31, 2013 was $13,330 based on current interest rates for comparable notes. The method for computing fair value was determined using a present value model and an interest rate that included a credit value adjustment based on the estimated value of the collateral for the underlying debt. As of March 31, 2013 and December 31, 2012, the Company was in compliance with all applicable financial loan covenants.

10. Bank and Other Notes Payable:

Bank and other notes payable consist of the following:

Senior Notes:

On March 16, 2007, the Company issued $950,000 in Senior Notes that matured on March 15, 2012. The Senior Notes bore interest at 3.25%, payable semiannually, were senior to unsecured debt of the Company and were guaranteed by the Operating Partnership. On or after December 15, 2011, the Senior Notes were convertible at any time prior to March 13, 2012. The conversion right was not exercised prior to the maturity date of the Senior Notes. On March 15, 2012, the Company paid-off in full the $439,318 of Senior Notes then outstanding.

Line of Credit:

On May 2, 2011, the Company obtained a $1,500,000 revolving line of credit that bears interest at LIBOR plus a spread of 1.75% to 3.0% depending on the Company's overall leverage and matures on May 2, 2015 with a one-year extension option. This extension option is at the Company's discretion, subject to certain conditions, which the Company believes will be met. Based on the Company's current leverage levels, the borrowing rate on the facility is LIBOR plus 2.25%. The line of credit can be expanded, depending on certain conditions, up to a total facility of $2,000,000 less the outstanding balance of the $125,000 unsecured term loan as described below. As of March 31, 2013 and December 31, 2012, borrowings under the line of credit were $635,000 and $675,000, respectively, at an average interest rate of 2.74% and 2.76%, respectively. The fair value (Level 2 measurement) of the line of credit at March 31, 2013 and December 31, 2012 was $636,502 and $675,107, respectively, based on a present value model using a credit interest rate spread offered to the Company for comparable debt.

Term Loan:

On December 8, 2011, the Company obtained a $125,000 unsecured term loan under the line of credit that bears interest at LIBOR plus a spread of 1.95% to 3.20% depending on the Company's overall leverage and matures on December 8, 2018. Based on the Company's current leverage levels, the borrowing rate is LIBOR plus 2.20%. As of March 31, 2013 and December 31, 2012, the total interest rate was 2.56% and 2.57%, respectively. The fair value (Level 2 measurement) of the term loan at March 31, 2013 and December 31, 2012 was $122,847 and $121,821, respectively, based on a present value model using a credit interest rate spread offered to the Company for comparable debt.

Greeley Note:

On July 27, 2006, concurrent with the sale of Greeley Mall, the Company provided marketable securities to replace Greeley Mall as collateral for the mortgage note payable on the property (See Note 6—Marketable Securities). As a result of this transaction, the mortgage note payable was reclassified to bank and other notes payable. This note bears interest at an effective rate of 6.34% and matures in September 2013. At March 31, 2013 and December 31, 2012, the Greeley Note had a balance outstanding of $23,808 and $24,027, respectively. The fair value (Level 2 measurement) of the note at March 31, 2013 and December 31, 2012 was $24,222 and $24,685, respectively, based on current interest rates for comparable notes. The method for computing fair value was determined using a present value model and an interest rate that included a credit value adjustment based on the estimated value of the collateral for the underlying debt.

Prasada Note:

On March 29, 2013, the Company issued a $13,330 note payable that bears interest at 5.25% and matures on March 29, 2016. The note payable is collateralized by a development reimbursement agreement with the City of Surprise, Arizona. The fair value (Level 2 measurement) of the note at March 31, 2013 was $13,330 based on current interest rates for comparable notes. The method for computing fair value was determined using a present value model and an interest rate that included a credit value adjustment based on the estimated value of the collateral for the underlying debt.

As of March 31, 2013 and December 31, 2012, the Company was in compliance with all applicable financial loan covenants.