Columbia Banking System, Inc. operates as the bank holding company for Columbia State Bank that provides a range of banking services to small and medium-sized businesses, professionals, and individuals in Washington, Oregon, and Idaho. It offers personal banking products and services, including noninterest and interest-bearing checking, saving, money market, and certificate of deposit accounts; home mortgages for purchases and refinances, home equity loans and lines of credit, and personal loans; debit and credit cards; and digital banking services. The company also provides business banking products and services, such as checking, savings, interest-bearing money market, and certificate of deposit accounts; agricultural loans, asset-based loans, builder and other commercial real estate loans, and loans guaranteed by the small business administration; debit and credit cards; and professional banking, treasury management, merchant card, and international banking services. In addition, it