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Commitments and Contingencies - Summary of Distribution of Undisbursed Credit-related Commitments (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]    
Other commitment $ 122,016 $ 86,504
Loan commitments    
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]    
Other commitment 116,511 75,740
Standby letter of credit    
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]    
Letters of credit outstanding 4,477 9,212
Commercial letter of credit    
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]    
Letters of credit outstanding $ 1,028 $ 1,552