| Component: (Network and Table) | |
|---|---|
| Network | 2311301 - Disclosure - BORROWINGS AND BORROWING CAPACITY (Tables) (http://www.allegiancebank.com/role/BorrowingsAndBorrowingCapacityTables) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001642081 (http://www.sec.gov/CIK) |
| Debt Disclosure [Abstract] | Period [Axis] | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2016-01-01 - 2016-12-31 | |||||||||||||||||||||||||||||||||
Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||
Schedule of Maturities of Long-term Debt | Scheduled principal maturities are as follows (dollars in thousands):
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