Loans (Loans by FICO Score, Consumer) (Details)		Jun. 30, 2016	Jun. 30, 2015
HELOC [Member] | FICO score greater than or equal to 740
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		56.30%	54.70%
HELOC [Member] | FICO score 720-739
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		8.60%	9.20%
HELOC [Member] | FICO score 700-719
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		9.00%	9.00%
HELOC [Member] | FICO score 660-699
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		13.00%	13.20%
HELOC [Member] | FICO score 620-659
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		6.20%	6.40%
HELOC [Member] | FICO score less than 620
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage	[1]	6.90%	7.50%
HELOC [Member] | Total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		100.00%	100.00%
R/E Installment Loans [Member] | FICO score greater than or equal to 740
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		68.90%	66.60%
R/E Installment Loans [Member] | FICO score 720-739
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		8.80%	8.50%
R/E Installment Loans [Member] | FICO score 700-719
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		6.80%	7.40%
R/E Installment Loans [Member] | FICO score 660-699
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		9.00%	9.60%
R/E Installment Loans [Member] | FICO score 620-659
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		3.70%	3.90%
R/E Installment Loans [Member] | FICO score less than 620
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage	[1]	2.80%	4.00%
R/E Installment Loans [Member] | Total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		100.00%	100.00%
Permanent Mortgage Portfolio Segment | FICO score greater than or equal to 740
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		43.80%	44.20%
Permanent Mortgage Portfolio Segment | FICO score 720-739
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		10.90%	9.30%
Permanent Mortgage Portfolio Segment | FICO score 700-719
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		9.30%	9.00%
Permanent Mortgage Portfolio Segment | FICO score 660-699
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		17.60%	16.90%
Permanent Mortgage Portfolio Segment | FICO score 620-659
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		9.60%	8.60%
Permanent Mortgage Portfolio Segment | FICO score less than 620
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage	[1]	8.80%	12.00%
Permanent Mortgage Portfolio Segment | Total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score percentage		100.00%	100.00%

[1] For this group, a majority of the FICO scores at the time of the origination exceeded 620 but have since deteriorated as the loans have seasoned .