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Net Investment In Direct Financing Leases (Tables)
 12 Months Ended
Dec. 31, 2012
Leases [Abstract]  
Components Of Net Investment In Direct Financing Leases
 
December 31,
 
2012
 
2011
Total minimum lease payments to be received
$
320,148

 
$
341,917

Estimated residual values of leased property (unguaranteed)
292

 
1,287

Unamortized initial direct costs
1,804

 
1,992

Less unearned income
(159,750
)
 
(176,726
)
Net investment in direct financing leases
162,494

 
168,470

Less current portion (included in other current assets)
(5,109
)
 
(6,010
)
Long-term portion of net investment in direct financing leases
$
157,385

 
$
162,460