Deposits - Interest expense on deposits (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Deposits
NOW accounts	$ 88	$ 92
Regular savings and demand clubs	164	147
Money market	330	345
Individual retirement accounts	116	85
Certificates of deposit	2,771	1,922
Deposits	$ 3,469	$ 2,591

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- Definition

Aggregate amount of interest expense on all deposits.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.6)
-URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260

+ Details

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- Definition

Amount of interest expense on domestic certificates of deposit liabilities.

+ References

+ Details

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- Definition

Amount of interest expense on domestic money market demand account deposit liabilities.

+ References

+ Details

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- Definition

Amount of interest expense on domestic notice of withdrawal demand deposit liabilities.

+ References

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- Definition

Amount of interest expense on domestic savings deposit liabilities.

+ References

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- Definition

Amount of interest expense on time deposit liabilities.

+ References

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