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Loans Held for Sale - Summary of Changes in Valuation Allowance of Loans Held for Sale (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 6,643	$ 11,569	$ 7,318
Provision	1,144	2,537	4,033
Transfer from Liability for indemnification obligations (Other liabilities)	68	403	2,021
Sales of loans	(1,675)	(7,866)	(1,824)
Other	0	0	21
Ending balance	$ 6,180	$ 6,643	$ 11,569

X

- Definition

Increase in valuation allowance arising due to transfer from liabilities for indemnification obligation.

+ References

No definition available.

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- Definition

Amount of reduction of allowance reserve for credit loss arising from sale of loan and lease portfolios.

+ References

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-Publisher FASB
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of allowance for credit loss on financing receivable, classified as current.

+ References

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Amount of expense related to estimated loss from loan and lease transactions.

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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