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Note 14 - Litigation, Commitments, and Contingencies - Off-balance Sheet Financial Instruments (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Commitments to extend credit $ 213,313 $ 243,147
Standby letters of credit and financial guarantees(1) [1] 148,731 131,587
Total off-balance sheet risk 362,044 374,734
Reserve for unfunded commitments $ 66 $ 66
[1] Includes FHLB letters of credit