Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Change in goodwill	$ 0	$ 0	$ 0	$ 0
Goodwill, impaired, accumulated impairment loss	0		0		$ 0
Goodwill, impairment	0	0	0	0
Intangible assets amortization expense	$ 300,000	$ 200,000	$ 800,000	$ 700,000