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Loans - Summary of Holiday's Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 3,511,125	$ 3,371,789
Net loans	3,473,895	3,337,449
Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	45,003	42,792
Holiday Financial Services Corporation | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	27,588	27,998
Less: other consumer unearned discounts	(5,276)	(5,181)
Net loans	$ 22,312	$ 22,817

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