Summary of Significant Accounting Policies - Mortgage Loans (Details) - Bank only - Life of the loan recourse provisions $ in Thousands	12 Months Ended
Jun. 30, 2017 USD ($) loan	Jun. 30, 2016 USD ($) loan
Mortgage Loans on Real Estate [Line Items]
Remaining balance of mortgage loans	$ 6,500	$ 7,200
Number of mortgage loans repurchased during period (loans) \| loan	1	2
Mortgage loans repurchased during period, amount	$ 100	$ 151
Accrued expenses and other liabilities
Mortgage Loans on Real Estate [Line Items]
Allowance associated with mortgage loans	$ 33	$ 57

Mortgage Loans on Real Estate, Loans Repurchased During Period, Amount

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- Definition

Mortgage Loans on Real Estate, Number of Loans Repurchased During Period

+ References

No definition available.

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- Definition

The carrying amount of the outstanding balance due under the mortgage loan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of reserve for write-down of a mortgage loan on real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29.7)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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