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ACQUISITIONS - Intangible Asset, Goodwill and Acquisition-related Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Fair Value of Subordinated Notes Payable [Abstract]
Subordinated notes payable	$ 3,270		$ 3,277
Summary of loans acquired [Abstract]
Merger and acquisition integration related (recoveries) expenses	$ 299	$ 27
NuVantage Insurance Corporation [Member] | Other intangibles | Second Acquisition of 2022 One Group
Finite-Lived Intangible Assets, Net [Abstract]
Intangible asset useful life (amortization period)	8 years
NuVantage Insurance Corporation [Member] | Other intangibles | Third Acquisition of 2022 One Group
Finite-Lived Intangible Assets, Net [Abstract]
Intangible asset useful life (amortization period)	10 years
Fringe Benefits Design of Minnesota, Inc ("FBD") [Member] | Other intangibles
Finite-Lived Intangible Assets, Net [Abstract]
Intangible asset useful life (amortization period)	15 years
Thomas Gregory Associates [Member] | Other intangibles
Finite-Lived Intangible Assets, Net [Abstract]
Intangible asset useful life (amortization period)	13 years

X

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments.

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-Name Accounting Standards Codification
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-SubTopic 210
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