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Investments (Narrative) (Details) (USD $) | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2013 property | Jun. 30, 2012 | Jun. 30, 2013 property | Jun. 30, 2012 | Dec. 31, 2011 | Dec. 31, 2012
Investments [Abstract] |  |  |  |  |  |
Equity Investments | $ 4,460,000 |  | $ 4,460,000 |  |  | $ 4,332,000
Equity Method Investment, Ownership Percentage | 45.00% |  | 45.00% |  |  |
Payments to Acquire Interest in Joint Venture |  |  |  |  | 3,000,000 |
Equity in Income/(Loss) of Nonconsolidated Investment | 420,000 | 309,000 | 596,000 | 332,000 |  |
Capital distributions received from equity method investment | 90,000 |  | 468,000 |  |  |
Capital Leased Assets, Number of Units | 5 |  | 5 |  |  |
Capital Lease Length Of Lease Term | 9 years 6 months |  | 9 years 6 months |  |  |
Capital Lease Length Of Renewal Term | 5 years 6 months |  | 5 years 6 months |  |  |
Capital Leases, Monthly Rent |  |  | 17,000 |  |  |
Capital Leases Balloon Payment In Direct Financing Leases | 488,000 |  | 488,000 |  |  |
Capital Leases, Net Investment in Direct Financing Leases | $ 1,277,000 |  | $ 1,277,000 |  |  | $ 1,327,000

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- Definition Balloon payment related to a capital lease that is required to be paid either at the termination of the lease or during the initial term of the lease. + References No definition available. + Details
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- Definition The net investment in direct financing leases as of the balance sheet date consisting of: (a) minimum lease payments due on direct financing leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs; 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=25496975&loc=d3e45377-112738 + Details
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