Investments (Schedule of Direct Financing Future Minimum Lease Payments for Capital Leases Table) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Investments [Abstract]
Current	$ 106
Year Two	114
Year Three	122
Year Four	131
Year Five	140
Year Six and thereafter	714
Capital Leases, Future Minimum Payments Receivable, Total	$ 1,327

Amount of minimum lease payments to be received by the lessor for capital leases.

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Amount of minimum lease payments to be received by the lessor in the next fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments to be received by the lessor after the fifth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments to be received by the lessor in the fifth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments to be received by the lessor in the fourth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments to be received by the lessor in the third fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments to be received by the lessor in the second fiscal year following the latest fiscal year for capital leases.

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