Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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

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Goodwill and intangible assets - Goodwill Activity (Details) - USD ($) $ in Thousands			12 Months Ended
	Aug. 15, 2020	Feb. 14, 2020	Dec. 31, 2020	Dec. 31, 2019
Goodwill
Beginning Balance			$ 169,051	$ 137,190
Addition from acquisitions				31,961
Relief of goodwill due to sale of TPO mortgage delivery channel				(100)
Ending Balance			242,561	$ 169,051
Farmers National
Goodwill
Addition from acquisitions		$ 6,319	6,319
Franklin
Goodwill
Addition from acquisitions	$ 67,191		$ 67,191