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FAIR VALUE MEASUREMENTS - Measured on Non-recurring Basis (Details) - Non-recurring - USD ($)	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Assets
Liabilities measured at fair value	$ 0	$ 0
Level 3
Assets
Individually evaluated loans	6,874,000	8,324,000
Capitalized servicing rights	6,778,000	5,263,000
Premises held for sale	327,000	226,000
Total	13,979,000	13,813,000
Total Gains (Losses)	166,000
Level 3 | Impaired loans
Assets
Total Gains (Losses)	(1,450,000)
Level 3 | Capitalized servicing rights
Assets
Total Gains (Losses)	1,515,000
Level 3 | Assets held for sale
Assets
Premises held for sale	327,000	$ 226,000
Total Gains (Losses)	$ 101,000

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value portion of assets classified as held for sale.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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The balance of financing receivables that were individually evaluated for impairment.

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