Amount excluding accrued interest, of allowance for credit loss on financing receivable.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
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Amount of credit loss expense (reversal of expense) for financing receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
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Financing Receivable, Loans Repurchased, Value

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COMMITMENTS AND CONTINGENCIES (Details)	3 Months Ended
COMMITMENTS AND CONTINGENCIES (Details)	Mar. 31, 2022 USD ($) loan	Mar. 31, 2021 USD ($) loan	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Guarantor Obligations [Line Items]
Provision for losses at the time of sale	$ 18,971,000	$ (20,160,000)
Allowance for credit losses	136,330,000	204,818,000	$ 94,507,000	$ 228,804,000
Unfunded Lending Commitment
Guarantor Obligations [Line Items]
Provision for losses at the time of sale	100,000	$ 600,000
Allowance for credit losses	11,700,000		$ 7,400,000
Secondary Market Loan Sales
Guarantor Obligations [Line Items]
Provision for losses at the time of sale	$ 0
Number of loans repurchased \| loan	2	0
Loans repurchase amount	$ 800,000