8. Troubled Debt Restructuring (Details) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2018 USD ($) Integer	Sep. 30, 2017 USD ($) Integer	Sep. 30, 2018 USD ($) Integer	Sep. 30, 2017 USD ($) Integer
Number of Contracts \| Integer	17		3
Pre-Modification Outstanding Recorded Investment	$ 2,444		$ 1,004
Post-Modification Outstanding Recorded Investment	$ 2,444		$ 1,004
Commercial Real Estate [Member]
Number of Contracts \| Integer	3		1
Pre-Modification Outstanding Recorded Investment	$ 2,245		$ 990
Post-Modification Outstanding Recorded Investment	$ 2,245		$ 990
Real Estate [Member]
Number of Contracts \| Integer				1
Pre-Modification Outstanding Recorded Investment				$ 67
Post-Modification Outstanding Recorded Investment				$ 67
Consumer [Member]
Number of Contracts \| Integer	14	1	2
Pre-Modification Outstanding Recorded Investment	$ 199	$ 18	$ 14
Post-Modification Outstanding Recorded Investment	$ 199	$ 18	$ 14

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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