0000712771 2026-07-28 2026-07-28 0000712771 cnob:CommonStockCustomMember 2026-07-28 2026-07-28 0000712771 cnob:DepositarySharesEachRepresentingA140thInterestInAShareOf525SeriesANoncumulativePerpetualPreferredStockCustomMember 2026-07-28 2026-07-28 false 0000712771 8-K 2026-07-28 CONNECTONE BANCORP, INC. NJ 001-40751 52-1273725 301 Sylvan Avenue Englewood Cliffs NJ 07632 844 266-2548 false false false false Common Stock CNOB NASDAQ Depositary Shares (each representing a 1/40th interest in a share of 5.25% Series A Non-Cumulative, perpetual preferred stock) CNOBP NASDAQ false