Debt Instrument Interest Rate Description

No definition available.

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- Definition

Amount of liabilities assumed at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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Balance Type:	credit
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
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Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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Other Borrowings (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2008	Feb. 28, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Notes Payable	$ 9,665
Debt Instrument Interest Rate Description	The rate resets quarterly at the prevailing three-month LIBOR rate plus 170 basis points, which was 4.49% at December 31, 2018.
Subordinated debt	$ 8,323			$ 4,232
First Tennessee Bank NA Variable Rate [Member]
Debt Instrument [Line Items]
Debt instrument maturity date	Feb. 28, 2023
Debt Instrument, Interest Rate, Effective Percentage	4.35%
Debt Instrument, Face Amount			$ 5,000
Debt Instrument, Term	5 years
First Tennessee Bank NA Fixed Rate [Member]
Debt Instrument [Line Items]
Debt instrument maturity date	Feb. 28, 2023
Debt Instrument, Face Amount			5,000
Notes Payable	$ 4,700
Debt Instrument, Term	5 years
Interest rate	4.99%
Debt Instrument, Frequency of Periodic Payment	quarterly principal payments
Universal Bancorp [Member]
Debt Instrument [Line Items]
Assumed debentures upon acquisition			345,236
Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Debt instrument maturity date	Sep. 15, 2035
Description of variable rate basis	three-month LIBOR
Medium-term Notes [Member] \| First Tennessee Bank NA [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			10,000
3-Month LIBOR [Member] \| First Tennessee Bank NA Variable Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.195%
3-Month LIBOR [Member] \| Universal Bancorp [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	169.00%
After Five Years \| 3-Month LIBOR [Member] \| Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		170.00%
Pooled Trust Preferred Security [Member] \| MFB Corporation [Member]
Debt Instrument [Line Items]
Assumed debentures upon acquisition		$ 5,000
Subordinated debt	$ 4,300
Pooled Trust Preferred Security [Member] \| Universal Bancorp [Member]
Debt Instrument [Line Items]
Assumed debentures upon acquisition			$ 5,000
Debt instrument maturity date	Oct. 07, 2035
Subordinated debt	$ 4,000
Pooled Trust Preferred Security [Member] \| 3-Month LIBOR [Member] \| Universal Bancorp [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	4.13%
Pooled Trust Preferred Security [Member] \| 3-Month LIBOR [Member] \| Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	4.49%