Other Borrowings and Subordinated Debt - Summary of Long-Term Borrowings (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
Long-term FHLB advances	$ 20,000	$ 20,000
Subordinated Debt	19,973	19,970
Federal Reserve PPPLF	3,087	17,315
Total Long-term borrowings	$ 43,060	$ 57,285