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3. Loans, TDR Loan Modifications (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2016 USD ($) Integer	Sep. 30, 2016 USD ($) Integer	Sep. 30, 2015 USD ($) Integer
Real estate loans, TDR
Number of Contracts | Integer	1	1	1
Pre-Modification Outstanding Recorded Investment	$ 41	$ 41	$ 146
Post-Modification Outstanding Recorded Investment	$ 41	$ 41	$ 142
Single-family residential
Real estate loans, TDR
Number of Contracts | Integer	1	1	1
Pre-Modification Outstanding Recorded Investment	$ 41	$ 41	$ 146
Post-Modification Outstanding Recorded Investment	$ 41	$ 41	$ 142
Total real estate loans
Real estate loans, TDR
Number of Contracts | Integer	1	1	1
Pre-Modification Outstanding Recorded Investment	$ 41	$ 41	$ 146
Post-Modification Outstanding Recorded Investment	$ 41	$ 41	$ 142

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Number of 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 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524

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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

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Pre-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

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