v3.26.1
Fair Value of Financial Instruments - Summary of Carrying Values and Fair Values of Financial Instruments (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financial assets    
Investment securities $ 69,933 $ 60,183
Loans held for sale, at lower of amortized cost or fair value 21,376 15,144
Equity securities, fair value 1,800 1,800
Level 1 [Member]    
Financial assets    
Cash, cash equivalents, and federal funds sold 205,741 [1] 200,814 [2]
Investment securities 0 0
Loans held for investment, net of allowance 0 0
Loans held for sale, at lower of amortized cost or fair value 0 0
Accrued interest receivable 20,923 19,401
Equity securities, fair value 1,769 [3] 1,787 [4]
Financial liabilities    
Funds borrowed 0 [5] 0 [6]
Accrued interest payable 6,101 6,319
Level 2 [Member]    
Financial assets    
Cash, cash equivalents, and federal funds sold 250 [1] 750 [2]
Investment securities 69,933 60,183
Loans held for investment, net of allowance 0 0
Loans held for sale, at lower of amortized cost or fair value 0 0
Accrued interest receivable 0 0
Equity securities, fair value 0 [3] 0 [4]
Financial liabilities    
Funds borrowed 2,657,865 [5] 2,431,011 [6]
Accrued interest payable 0 0
Level 3 [Member]    
Financial assets    
Cash, cash equivalents, and federal funds sold 0 [1] 0 [2]
Investment securities 0 0
Loans held for investment, net of allowance 2,671,000 2,421,988
Loans held for sale, at lower of amortized cost or fair value 21,376 15,144
Accrued interest receivable 0 0
Equity securities, fair value 0 [3] 0 [4]
Financial liabilities    
Funds borrowed 0 [5] 0 [6]
Accrued interest payable 0 0
Carrying Amount [Member]    
Financial assets    
Cash, cash equivalents, and federal funds sold 205,991 [1] 201,564 [2]
Investment securities 69,933 60,183
Loans held for investment, net of allowance 2,650,665 2,436,916
Loans held for sale, at lower of amortized cost or fair value 21,376 15,144
Accrued interest receivable 20,923 19,401
Equity securities, fair value 1,769 [3] 1,787 [4]
Financial liabilities    
Funds borrowed 2,646,138 [5] 2,410,016 [6]
Accrued interest payable 6,101 6,319
Fair Value Recurring [Member]    
Financial assets    
Cash, cash equivalents, and federal funds sold 205,991 [1] 201,564 [2]
Investment securities 69,933 60,183
Loans held for investment, net of allowance 2,671,000 2,421,988
Loans held for sale, at lower of amortized cost or fair value 21,376 15,144
Accrued interest receivable 20,923 19,401
Equity securities, fair value 1,769 [3] 1,787 [4]
Financial liabilities    
Funds borrowed 2,657,865 [5] 2,431,011 [6]
Accrued interest payable 6,101 6,319
Fair Value Recurring [Member] | Level 1 [Member]    
Financial assets    
Equity securities, fair value $ 1,769 [7] $ 1,787 [8]
[1] Includes federal funds sold and interest bearing deposits in other banks.
[2] Includes federal funds sold and interest bearing deposits in other banks.
[3] Included within other assets on the balance sheet.
[4] Included within other assets on the balance sheet.
[5] Excludes deferred financing costs of $10.2 million as of June 30, 2026.
[6] Excludes deferred financing costs of $8.4 million as of December 31, 2025.
[7] Included within other assets on the balance sheet.
[8] Included within other assets on the balance sheet.