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Cash and Due from Banks	12 Months Ended
Cash and Due from Banks	Dec. 31, 2021
Cash and Due from Banks [Abstract]
Cash and Due from Banks	Cash and Due from Banks The Company is no longer required to maintain minimum cash balances or deposits with the Federal Reserve Bank of San Francisco ("Federal Reserve Bank"). The Company is required to maintain a $300,000 balance with a correspondent bank for outsourced servicing of ATMs. The Company is required to maintain a $100,000 and $2.8 million balance with a correspondent bank to collateralize the initial margin and the fair value exposure of one of its interest rate swaps, respectively.