Commitments and Contingencies - Contingencies (Details)				3 Months Ended	9 Months Ended
	Feb. 28, 2018 USD ($)	Sep. 12, 2016 USD ($)	Oct. 07, 2013 lease agreement	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)
Loss Contingencies [Line Items]
Loss recorded related to sublease agreement				$ 3,725,000	$ 3,725,000
Gain recognized on amendment of sublease agreement				294,000	294,000
Payment of legal settlement	$ 4,500,000
Assignment and Assumption of Lease Agreements
Loss Contingencies [Line Items]
Number of leases assigned to purchasers | lease			21
Number of assignment agreements | agreement			3
Outstanding lease guarantees				$ 4,284,000	$ 4,284,000
Full House Mortgage Connection, Inc.
Loss Contingencies [Line Items]
Contingent consideration period		10 years
Contingent consideration liability		$ 6,300,000