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Line of Credit - Additional Information (Detail) | Dec. 31, 2022 USD ($) Institution
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Debt Instrument [Line Items] |
Maximum drawing capacity | $ 741,800,000
FHLB stock holdings | 655,500
Advances outstanding | $ 0
Number of financial institution | Institution | 2
Pegasus [Member] |
Debt Instrument [Line Items] |
Advances outstanding | $ 0
Worthington [Member] |
Debt Instrument [Line Items] |
Maximum drawing capacity | 5,500,000
Advances outstanding | 0
Residential Mortgage [Member] |
Debt Instrument [Line Items] |
Line of credit assets pledged as collateral | 938,800,000
Revolving Line of Credit Member] | BancFirst [Member] |
Debt Instrument [Line Items] |
Maximum drawing capacity | 25,000,000.0
Revolving Line of Credit Member] | Pegasus [Member] |
Debt Instrument [Line Items] |
Maximum drawing capacity | 20,000,000.0
Revolving Line of Credit Member] | Worthington [Member] |
Debt Instrument [Line Items] |
Maximum drawing capacity | $ 3,000,000.0

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- Definition Line of credit residential first mortgages pledged as collateral. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Number of financial institution. + References No definition available. + Details
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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 No definition available. + Details
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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123599499&loc=d3e63345-112809 + Details
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- Definition Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Details
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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- Details
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- Details
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