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3. Loans, TDR Loan Modifications (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2018 USD ($) Integer	Jun. 30, 2018 USD ($) Integer
Single-family residential TDR
TDR Loans
Number of Contracts | Integer	1	1
Pre-Modification Outstanding Recorded Investment	$ 33	$ 33
Post-Modification Outstanding Recorded Investment	$ 33	$ 33
Total real estate TDR loans
TDR Loans
Number of Contracts | Integer	1	1
Pre-Modification Outstanding Recorded Investment	$ 33	$ 33
Post-Modification Outstanding Recorded Investment	$ 33	$ 33
Total TDR Loans
TDR Loans
Number of Contracts | Integer	1	1
Pre-Modification Outstanding Recorded Investment	$ 33	$ 33
Post-Modification Outstanding Recorded Investment	$ 33	$ 33

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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-Name Accounting Standards Codification
-Topic 310
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-Section 50
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