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Short-Term Borrowings and Other Obligations
 9 Months Ended
Sep. 30, 2023
Debt Disclosure [Abstract]  
Short-Term Borrowings and Other Obligations Short-Term Borrowings and Other Obligations
 
Federal Home Loan Bank – As of September 30, 2023 and December 31, 2022, the Bank had total lines of credit with the FHLB totaling $1.023 billion and $711.6 million, respectively, based on eligible collateral of certain loans and investment securities.

Federal Funds Lines of Credit – The Bank had unsecured lines of credit with correspondent banks for overnight borrowings totaling $135.0 million and $150.0 million at September 30, 2023 and December 31, 2022, respectively.  In general, interest rates on these lines approximate the federal funds target rate.

Federal Reserve Bank – The Bank has a line of credit with the Federal Reserve Bank of San Francisco ("FRBSF") secured by certain residential loans.  At September 30, 2023 and December 31, 2022, the Bank had total borrowing capacity under this line of $57.3 million and $58.7 million, respectively. In addition, under the Federal Reserve’s BTFP facility, the Bank could borrow up to an additional $274.6 million based on the par value of pledged investment securities as of September 30, 2023.

Other Obligations – Finance lease liabilities totaling $335 thousand and $439 thousand at September 30, 2023 and December 31, 2022, respectively, are included in short-term borrowings and other obligations in the consolidated statements of condition. See Note 8, Commitments and Contingencies, for additional information.

Outstanding balances and weighted average interest rates on short-term borrowings and other obligations as of September 30, 2023 and December 31, 2022 are summarized in the following table.
September 30, 2023December 31, 2022
(dollars in thousands)Outstanding BalanceWeighted
Average Rate		Outstanding BalanceWeighted Average Rate
FHLB - short-term borrowings$— — %$112,000 4.65 %
Federal funds lines of credit— — %— — %
FRBSF - federal funds purchased— — %— — %
FRBSF - short-term borrowings under the BTFP120,000 5.42 %— — %
Other obligations (finance leases)335 2.01 %439 1.86 %
Total short-term borrowings and other obligations$120,335 5.41 %$112,439 4.64 %