Net Investment In Direct Financing Leases (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Leases [Abstract]
Fixed lease payments per year	$ 20.7
Fixed lease interest rate per year	10.25%
Minimum lease payments received, year one	21.3
Minimum lease payments received, year two	21.2
Minimum lease payments received, year three	20.7
Minimum lease payments received, year four	20.7
Minimum lease payments received, year five	$ 20.7