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Loans receivable (Details 5) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 USD ($) Loan | Jun. 30, 2016 USD ($) Loan
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Modifications, Recorded Investment | $ 1,900 | $ 1,800
Residential Real Estate One To Four Family [Member] | Troubled Debt Restructuring [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
TDRs, Number of Loans | Loan | 35 | 35
TDRs, Pre Modification Outstanding Recorded Investment | $ 2,221 | $ 2,136
TDRs, Post Modification Outstanding Recorded Investment | 1,892 | 1,835
Residential Real Estate One To Four Family [Member] | Troubled Debt Restructuring [Member] | Performing Financing Receivable [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Modifications, Recorded Investment | 1,051 | 1,318
Residential Real Estate One To Four Family [Member] | Troubled Debt Restructuring [Member] | Nonperforming Financing Receivable [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Modifications, Recorded Investment | $ 841 | $ 517

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- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 + Details
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