Direct Financing Lease Receivables (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Net Investment in Direct Financing and Sales Type Leases [Abstract]
Total minimum lease payments receivable	$ 560,210	$ 548,419
Less: Executory costs	(170,452)	(171,076)
Minimum lease payments receivable	389,758	377,343
Less: Allowance for uncollectibles	(696)	(784)
Net minimum lease payments receivable	389,062	376,559
Unguaranteed residuals	62,556	57,898
Less: Unearned income	(97,175)	(96,522)
Net investment in direct financing and sales-type leases	354,443	337,935
Current portion	(67,692)	(63,304)
Non-current portion	$ 286,751	$ 274,631

The remaining (unamortized) difference between the gross investment in a direct financing and sales-type lease and the cost or carrying amount of the leased property as of the balance sheet date.

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- Definition

Estimated remaining costs to be incurred to service the direct financing and sales type leases, such as taxes, maintenance and insurance and the profit thereon, that are included in the minimum lease payments.

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Amount of remaining payments as of the balance sheet date that lessees are obligated to make or can be required to make under direct financing and sales-type leases, including any guarantee of residual value and executory costs. The amount also includes any guaranteed rental payments by an unrelated third-party provided that are financially capable of making such payments.

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Amount of remaining payments as of the balance sheet date that lessees are obligated to make or can be required to make under direct financing and sales type leases, including any guarantee of residual value. The amount also includes any guaranteed rental payments by an unrelated third-party provided that are financially capable of making such payments.

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Amount of remaining payments as of the balance sheet date that lessees are obligated to make or can be required to make under direct financing and sales-type leases, including any guarantee of residual value, net of allowance for uncollectible amounts. The amount also includes any guaranteed rental payments by an unrelated third-party provided that are financially capable of making such payments.

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- Definition

The estimate of the lease property's economic value at the end of the direct financing and sales-type lease term excluding any amounts guaranteed by either the lessee or a third-party.

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- Definition

The net amount due within one year of the balance sheet date or the normal operating cycle, if longer, consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 13
-Paragraph 23
-Subparagraph a(i)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6952072&loc=d3e45377-112738

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- Definition

The net amount due after one year of the balance sheet date or beyond the normal operating cycle, if longer, consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

+ References

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524
-Subparagraph (c)(1)

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- Definition

The net amount due as of the balance sheet date consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6952072&loc=d3e45377-112738

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