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Lease Commitments
12 Months Ended
Dec. 31, 2011
Lease Commitments [Abstract]  
Lease Commitments
Note 13.  Lease Commitments

The Company leases land, buildings and tower space under various non-cancelable agreements, which expire between the years 2012 and 2051 and require various minimum annual rental payments.  These leases typically include renewal options and escalation clauses. In general, tower leases have five or ten year initial terms with four renewal terms of five years each. The other leases generally contain certain renewal options for periods ranging from five to twenty years.

Future minimum lease payments under non-cancelable operating leases, including renewals that are reasonably assured at the inception of the lease, with initial variable lease terms in excess of one year as of December 31, 2011 are as
follows:

Year Ending
 
Amount
 
   
(in thousands)
 
2012
 $9,948 
2013
  9,496 
2014
  9,195 
2015
  8,781 
2016
  8,304 
2017 and beyond
  39,563 
   $85,287 

The Company's total rent expense was $12.4 million, $11.2 million, and $7.6 million for the years ended December 31, 2011, 2010 and 2009, respectively.

As lessor, the Company has leased buildings, tower space and telecommunications equipment to other entities under various non-cancelable agreements, which require various minimum annual payments.  The total minimum rental receipts at December 31, 2011 are as follows:

Year Ending
 
Amount
 
   
(in thousands)
 
2012
 $5,114 
2013
  4,156 
2014
  3,714 
2015
  3,156 
2016
  1,294 
2017 and beyond
  10,073 
   $27,507 
 
The Company's total rent income was $12.7 million, $11.9 million, and $10.1 million for the years ended December 31, 2011, 2010 and 2009, respectively.  Total rent income includes month-to-month leases which are excluded from the table above.