Loans Accretable Yield Rollforward (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
Loans
Balance, beginning of period	$ 6,704	$ 8,955	$ 6,704
Reclassification from nonaccretable to accretable	2,019	199
ASB	$ 6,704	8,955	8,955
Balance, December 31		10,059	8,955
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion		2,955	1,815
ASB Financial Corp.
Loans
Balance, beginning of period		2,047
ASB		2,047	2,047
Balance, December 31			$ 2,047
FIRST PRESTONSBURG BANCSHARES INC. [Member]
Loans
ASB		3,860
Balance, December 31		$ 3,860

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- Definition

Amount of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 15
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118938799&loc=d3e13503-111538

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544

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- Definition

Amount of accretion recognized for the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities, with evidence of deterioration of credit quality.

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Amount of increase of reclassification from nonaccretable difference to the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

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