LOANS - Paycheck Protection Program (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 1,647,159	$ 1,458,080
Commercial Portfolio Segment
Loans and Leases Receivable Disclosure [Line Items]
Total loans	309,961	$ 169,291
Commercial Portfolio Segment \| Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 136,500

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant