Disposition of Golf Courses (Narrative) (Details) - Tuscany Golf Course [Member] - Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total consideration amount	$ 4,000
Cash from total consideration amount	1,000
Secured note from total consideration amount	3,000
Gain on sale	$ 2
Term of payments for principal and interest	monthly
Date of balloon payment	May 31, 2020
Balloon payment of secure note	$ 2,500
Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest rate	4.50%
Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest rate	5.50%