Commitments And Contingencies (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014	Dec. 31, 2013
Loss Contingencies [Line Items]
Like-kind exchange deposits and reverse exchange property	$ 205,861,000	$ 82,477,000
Independence Title [Member]
Loss Contingencies [Line Items]
Net Premiums Written Percentage	12.20%	23.60%	16.40%