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Note 20 - Litigation, Commitments and Contingencies - Off-balance Sheet Financial Instruments (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Commitments to extend credit $ 243,147 $ 261,801
Standby letters of credit and financial guarantees(1) [1] 131,587 83,900
Total off-balance sheet risk 374,734 345,701
Reserve for unfunded commitments $ 66 $ 326
[1] Includes FHLB letters of credit