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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Non-cash assets acquired and Liabilities Assumed (Details) - Riverview Bank $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Non-cash assets acquired
Loans	$ 36
Other premises and equipment, net	158
Intangible assets	1,844
Total non-cash assets acquired	2,038
Non-cash liabilities assumed
Non-interest bearing deposits	(7,372)
Interest bearing deposits	(35,060)
Other liabilities	(37)
Total liabilities assumed	(42,469)
Net non-cash liabilities assumed	$ (40,431)

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- Definition

The amount of interest bearing deposits that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The amount of loans that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The amount of fixed assets that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Amount of liabilities, classified as other, assumed in acquiring a business or in consideration for an asset received in a noncash or part noncash acquisition.

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