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3. Loans (Details 6) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018 USD ($) Integer	Sep. 30, 2018 USD ($) Integer
Single-family residential
Number of contracts | Integer	1	2
Pre-Modification outstanding recorded investment	$ 61	$ 94
Post-Modification outstanding recorded investment	$ 61	$ 94
Total real estate TDR loans
Number of contracts | Integer	1	2
Pre-Modification outstanding recorded investment	$ 61	$ 94
Post-Modification outstanding recorded investment	$ 61	$ 94
Total TDR Loans
Number of contracts | Integer	1	2
Pre-Modification outstanding recorded investment	$ 61	$ 94
Post-Modification outstanding recorded investment	$ 61	$ 94

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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