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Note 11 - Subordinated Debentures - Summary of Mandatory Redeemable Trust Preferred Securities (Details) - Subordinated Debt [Member] - Center Bancorp Statutory Trust II [Member] - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2003 | Sep. 30, 2022
Securities issued | $ 5 | $ 5,000
Liquidation value (in dollars per share) |  | $ 1,000
Coupon rate |  | 2.85%
Maturity | Jan. 23, 2034 | Jan. 23, 2034
Redeemable by issuer beginning |  | Jan. 23, 2009

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