Bank and Other Notes Payable:	3 Months Ended
Mar. 31, 2016
Debt Disclosure [Abstract]
Bank and Other Notes Payable:	Bank and Other Notes Payable: Bank and other notes payable consist of the following: Line of Credit: The Company has a $1,500,000 revolving line of credit that bears interest at LIBOR plus a spread of 1.38% to 2.0%, depending on the Company's overall leverage level, and matures on August 6, 2018. Based on the Company's leverage level as of March 31, 2016, the borrowing rate on the facility was LIBOR plus 1.50%. As of March 31, 2016 and December 31, 2015, borrowings under the line of credit, were $745,000 and $650,000, respectively, less unamortized deferred finance costs of $6,299 and $6,967, respectively, at an average interest rate of 2.11% and 1.95%, respectively. The estimated fair value (Level 2 measurement) of the line of credit at March 31, 2016 and December 31, 2015 was $739,417 and $640,260, respectively, based on a present value model using a credit interest rate spread offered to the Company for comparable debt. Prasada Note: On March 29, 2013, the Company issued a $13,330 note payable that bears interest at 5.25% and was to mature on March 29, 2016. The maturity date of the note has been extended to May 30, 2016. The note payable is collateralized by a portion of a development reimbursement agreement with the City of Surprise, Arizona. At March 31, 2016 and December 31, 2015, the note had a balance of $8,218 and $9,130, respectively. The estimated fair value (Level 2 measurement) of the note at March 31, 2016 and December 31, 2015 was $8,244 and $9,168, respectively, based on current interest rates for comparable notes. 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, 2016 and December 31, 2015, the Company was in compliance with all applicable financial loan covenants.

Bank and Other Notes Payable:

Bank and other notes payable consist of the following:

Line of Credit:

The Company has a $1,500,000 revolving line of credit that bears interest at LIBOR plus a spread of 1.38% to 2.0%, depending on the Company's overall leverage level, and matures on August 6, 2018. Based on the Company's leverage level as of March 31, 2016, the borrowing rate on the facility was LIBOR plus 1.50%. As of March 31, 2016 and December 31, 2015, borrowings under the line of credit, were $745,000 and $650,000, respectively, less unamortized deferred finance costs of $6,299 and $6,967, respectively, at an average interest rate of 2.11% and 1.95%, respectively. The estimated fair value (Level 2 measurement) of the line of credit at March 31, 2016 and December 31, 2015 was $739,417 and $640,260, respectively, based on a present value model using a credit interest rate spread offered to the Company for comparable debt.

Prasada Note:

On March 29, 2013, the Company issued a $13,330 note payable that bears interest at 5.25% and was to mature on March 29, 2016. The maturity date of the note has been extended to May 30, 2016. The note payable is collateralized by a portion of a development reimbursement agreement with the City of Surprise, Arizona. At March 31, 2016 and December 31, 2015, the note had a balance of $8,218 and $9,130, respectively. The estimated fair value (Level 2 measurement) of the note at March 31, 2016 and December 31, 2015 was $8,244 and $9,168, respectively, based on current interest rates for comparable notes. 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, 2016 and December 31, 2015, the Company was in compliance with all applicable financial loan covenants.