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Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of fair value recurring basis - Municipal Securities [Member] - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Balance of recurring Level 3 assets at January 1 $ 9,114 $ 9,377
Principal paydowns (202) (263)
Balance of recurring Level 3 assets at December 31 $ 8,912 $ 9,114