LOANS AND ALLOWANCE FOR LOAN LOSSES (Composition of Loan Portfolio) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 3,326,041	$ 3,095,023	$ 3,100,324
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,054,333	1,070,374
Loans	1,054,333	1,070,374	1,035,792
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,310,985	1,243,397
Loans	1,310,985	1,243,397	1,260,639
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	411,225	421,108
Loans	411,225	421,108	428,676
SBA PPP Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	218,803	0
Loans	218,803	0	0
Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	290,815	312,779
Loans	290,815	312,779	323,536
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	22,919	25,772
Loans	22,919	25,772	23,665
HPFC Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	16,961	21,593
Loans	$ 16,961	$ 21,593	$ 28,016

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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.

+ References

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- Definition

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

+ References

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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524

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