Commitments and Contingencies (Narrative) (Details) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 18, 2017	Dec. 31, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Loss Contingencies [Line Items]
Legal Fees	$ 1,800,000
Accrued litigation settlement expense		$ 650,000		$ 3,400,000
Lease expense under operating leases			$ 3,900,000	3,100,000
Recourse liability			250,000	283,000	$ 305,000
Loans serviced for other investors
Loss Contingencies [Line Items]
Recourse liability			200,000	200,000
Mortgage Partnership Finance (MPF) Program
Loss Contingencies [Line Items]
Recourse liability			$ 50,000	$ 83,000