Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Goodwill And Intangible Assets Disclosure [Abstract]
Carrying amount of goodwill	$ 66,062,000		$ 66,062,000
Goodwill impairment	0
Amortization expense during the year	$ 294,000	$ 323,000

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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