Derivative Financial Instruments - Summary of Company's Recognized Income Related to Activity Included in Other Noninterest Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Noninterest Income, Other	Noninterest Income, Other	Noninterest Income, Other	Noninterest Income, Other
Oil and Natural Gas Swaps and Options [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative income	$ 260	$ 189	$ 349	$ 348