XML 91 R77.htm IDEA: XBRL DOCUMENT
v3.8.0.1

COMMITMENTS AND CONTINGENCIES, INCLUDING FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
COMMITMENTS AND CONTINGENCIES AND FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK |  |
Commitments to extend credit, variable | $ 626,441 | $ 493,740
Commitments to extend credit, fixed | 61,608 | 113,719
Total | 688,049 | 607,459
Standby letters of credit | $ 28,977 | $ 26,682

X
- Definition The amount of credit risk associated with the commitment to extent the credit. + References No definition available. + Details
Name: | cbtx_CreditRiskOfCommitmentsToExtendCredit
Namespace Prefix: | cbtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of credit risk associated with the commitment to extent the fixed portion of credit. + References No definition available. + Details
Name: | cbtx_CreditRiskOfCommitmentsToExtendCreditFixed
Namespace Prefix: | cbtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of credit risk associated with the commitment to extent the variable portion of credit. + References No definition available. + Details
Name: | cbtx_CreditRiskOfCommitmentsToExtendCreditVariable
Namespace Prefix: | cbtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of credit risk associated with the commitment to issue stand by letters of credit. + References No definition available. + Details
Name: | cbtx_CreditRiskStandbyLettersOfCredit
Namespace Prefix: | cbtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration