Future Rental Revenues: (Tables)

12 Months Ended

Dec. 31, 2014

Future Rental Revenues [Abstract]

Schedule of future minimum rental payments to be received by the company under non-cancelable operating lease agreements

Under existing non-cancelable operating lease agreements, tenants are committed to pay the following minimum rental payments to the Company:

Year Ending December 31,
2015	$	663,007
2016	572,304
2017	494,380
2018	424,747
2019	358,973
Thereafter	1,257,743
	$	3,771,154