Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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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 Other Intangible Assets - Schedule of Goodwill (Details) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
Balance at the beginning of the period		$ 92,283,000	$ 92,291,000
Goodwill related to sale of portion of business unit			(8,000)
Acquisitions		164,000
Balance at the end of the period		92,447,000	92,283,000
Reduction of goodwill			8,000
Impairment of goodwill and intangible assets		0
Banking
Goodwill [Roll Forward]
Balance at the beginning of the period		64,369,000	64,369,000
Goodwill related to sale of portion of business unit			0
Acquisitions		0
Balance at the end of the period		64,369,000	64,369,000
Reduction of goodwill			0
Insurance
Goodwill [Roll Forward]
Balance at the beginning of the period		19,703,000	19,711,000
Goodwill related to sale of portion of business unit			(8,000)
Acquisitions		164,000
Balance at the end of the period		19,867,000	19,703,000
Reduction of goodwill			8,000
Wealth Management
Goodwill [Roll Forward]
Balance at the beginning of the period		8,211,000	8,211,000
Goodwill related to sale of portion of business unit			0
Acquisitions		0
Balance at the end of the period		$ 8,211,000	8,211,000
Reduction of goodwill			$ 0
The Cali Agency, Inc.
Goodwill [Roll Forward]
Balance at the end of the period	$ 164,000
Customer related intangible \| The Cali Agency, Inc.
Goodwill [Roll Forward]
Intangibles recorded as a result of acquisition	$ 171,000
Amortization period	15 years
Covenant-not-to-compete \| The Cali Agency, Inc.
Goodwill [Roll Forward]
Intangibles recorded as a result of acquisition	$ 87,000
Amortization period	5 years