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LOANS - Aging of Troubled Debt Restructurings (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Troubled Debt Restructurings
Loans current and past due less than 30 days	$ 1,627,899	$ 1,166,748
Nonaccrual loans	21,416	9,218
Past Due 30-89 Days
Troubled Debt Restructurings
Loans past due	8,607	10,023
Past Due 90+ Days
Troubled Debt Restructurings
Loans past due	7,703	5,451
Troubled Debt Restructuring
Troubled Debt Restructurings
Loans current and past due less than 30 days	166	889
Nonaccrual loans	6,867	1,737
Troubled debt restructurings	7,451	2,626
Troubled Debt Restructuring | Past Due 30-89 Days
Troubled Debt Restructurings
Loans past due	0	0
Troubled Debt Restructuring | Past Due 90+ Days
Troubled Debt Restructurings
Loans past due	$ 418	$ 0

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Recorded investment in financing receivables that are current and less than 30 days past due.

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Amount of financing receivable modified as troubled debt restructuring.

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