Operating Leases

Most of the Company’s rental properties are leased under operating leases with expiration dates ranging from 1 to 36 years. Future minimum rentals on non-cancelable tenant operating leases at December 31, 2011 are as follows (in thousands):



	Amount
Year:
2012	$	227,966
2013	219,475
2014	203,219
2015	199,682
2016	187,735
Thereafter	1,101,047
Total	$	2,139,124

The Company leases its executive office from an unrelated landlord. Rental expense totaled approximately $463 thousand, $408 thousand and $363 thousand for the years ended December 31, 2011, 2010 and 2009, respectively, and is included as a component of general and administrative expense in the accompanying consolidated statements of income. Future minimum lease payments under this lease at December 31, 2011 are as follows (in thousands):



	Amount
Year:
2012	$	392
2013	408
2014	434
2015	454
2016	358
Thereafter	—
Total	$	2,046