Current Portion Long Term Debt (Narrative) (Details)	12 Months Ended
Dec. 31, 2018 USD ($) shares
Participating Mortgage Loans, Mortgage Obligations, Amount	$ 12,000,000
Shares foreclosed during period \| shares	10,794,066
Value of first ranking mortgage and pledged shares	$ 24,000,000

The aggregate amount of the participating mortgage obligation at the end of the accounting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377297&loc=d3e10013-112621

Name:	us-gaap_ParticipatingMortgageLoansMortgageObligationsAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant