Leases (Tables)

12 Months Ended

Dec. 31, 2012

Leases [Abstract]

Tenant Leases

The tenants' rental payments included in the table below are through the current terms with a maximum current term of 20 years and do not assume exercise of tenant renewal options.

	Years Ending December 31,
	2013		2014		2015		2016		2017		Thereafter		Total
Tenant leases	$	2,105,703	$	1,982,547	$	1,966,147	$	1,895,196	$	1,823,029	$	10,480,786	$	20,253,408

Operating Leases

	Years Ending December 31,
	2013		2014		2015		2016		2017		Thereafter		Total
Operating leases	$	428,839	$	430,348	$	434,247	$	437,690	$	440,573	$	5,761,353	$	7,933,050