Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets - Expected Future Annual Amortization Expense (Details)

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Goodwill and Other Intangible Assets - Expected Future Annual Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2020 $ 142  
2021 90  
2022 21  
2023 0  
Total expected future annual amortization expense $ 253 $ 521