Income, Related Party

No definition available.

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- Definition

Loan Purchase Agreement, Maximum Amount

+ References

No definition available.

+ Details

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- Definition

Loan Purchase Agreement, Term

+ References

No definition available.

+ Details

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI) and investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482736/825-10-45-1A

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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-4

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Balance Type:	debit
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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for the purchase of loan receivable arising from the financing of goods and services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a)
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- Definition

Amount of deposits held by the entity for a related party (entity, shareholder, employee).

+ References

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-Topic 235
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-Name Accounting Standards Codification
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-Subparagraph (SX 210.4-08(k)(1))
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+ Details

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Balance Type:	credit
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- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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- Definition

Amount, after the effects of master netting arrangements, of securities loaned to entities in exchange for collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Related Party Transactions - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Deposits from related parties	$ 295,797		$ 295,797		$ 347,660
Amortized cost	1,613,267		1,613,267		1,705,574
Manufactured loan housing securities
Related Party Transaction [Line Items]
Master loan purchase agreement, maximum amount	250,000		$ 250,000
Loan purchase agreement, term			5 years
Loans purchased	12,676		$ 19,125
Amortized cost	19,006		19,006
Purchase agreements					0
Preferred Stock
Related Party Transaction [Line Items]
Equity security without readily determinable market value	10,000		10,000		10,000
Directors
Related Party Transaction [Line Items]
Operating lease expense	102	$ 96	295	$ 297
Directors \| FBK Aviation, LLC \| Aviation Time Sharing Agreements
Related Party Transaction [Line Items]
Income from related party	15	$ 17	26	$ 36
Unfunded Loan Commitment \| Certain Executive Officers, Certain Management and Directors and Their Associates
Related Party Transaction [Line Items]
Unfunded commitments	$ 54,086		$ 54,086		$ 31,564