Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 100,855,000	$ 187,173,000
Goodwill impairment	0	86,318,000
Goodwill, Ending Balance	$ 100,855,000	$ 100,855,000

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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