Goodwill and Intangible Assets (Details) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and intangible assets	$ 536,659,000	$ 535,303,000
Increase (decrease) in goodwill and intangible assets	1,400,000
Goodwill impairment charges	$ 0

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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