Loans - Summary of Holiday's Loan Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 3,469,845	$ 3,371,789
Net loans	3,432,937	3,337,449
Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	41,103	42,792
Holiday Financial Services Corporation | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	26,590	27,998
Less: other consumer unearned discounts	(4,981)	(5,181)
Net loans	$ 21,609	$ 22,817