Deposits - Interest on Deposits (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Interest Expense, Deposits [Abstract]
Savings	$ 340	$ 316
Transaction accounts	19	36
Insured money market accounts	356	320
Certificates of deposit	1,423	1,252
Interest expense	$ 2,138	$ 1,924

Interest expense incurred on demand deposit accounts that represent borrowings rather than outstanding drafts.

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

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- Definition

Aggregate amount of interest expense on all deposits.

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- Definition

Interest expense incurred on all money market deposits.

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- Definition

Interest expense incurred on all savings account deposits.

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- Definition

The aggregate interest expense incurred on time deposits, including certificates of deposits, in domestic offices.

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