DERIVATIVES AND HEDGING (Schedule of derivatives effect on OCI) (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Effective portion of unrealized gains (losses) recognized within OCI during the period, net of tax	$ 1,427	$ 2,373
Fixed-rate mortgage interest rate lock commitments \| Mortgage banking income, net
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Effective portion of unrealized gains (losses) recognized within OCI during the period, net of tax	945	1,515
Forward delivery commitments \| Mortgage banking income, net
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Effective portion of unrealized gains (losses) recognized within OCI during the period, net of tax	$ 482	$ 858

Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121558989&loc=d3e80720-113993

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580

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Balance Type:	credit
Period Type:	duration