Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Gross carrying amount at beginning of year		$ 21,898	$ 22,114
Additions	[1]	9,154	80
Other adjustments		0	(296)
Accumulated amortization		(20,133)	(19,297)
Balance at End of Year		$ 10,919	$ 2,601

[1] Management is still evaluating the intangible asset valuation due to the final independent valuation report not being complete. Any changes in preliminary estimates will be adjusted in goodwill in subsequent periods, but not extending beyond one year from the date of acquisition.