RESIDENTIAL MORTGAGE LOAN SERVICING - Other information (Details) $ in Thousands	Sep. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
SBA AND USDA LOAN SERVICING
Fair value of servicing rights	$ 18,000	$ 16,500
Loans, less allowance for loan losses	$ 1,252,196	$ 1,136,930
Discount Rate
SBA AND USDA LOAN SERVICING
Measurement input of servicing rights	14
Discount Rate \| Minimum
SBA AND USDA LOAN SERVICING
Measurement input of servicing rights		11
Discount Rate \| Maximum
SBA AND USDA LOAN SERVICING
Measurement input of servicing rights		14
Prepayment speed
SBA AND USDA LOAN SERVICING
Measurement input of servicing rights	18	15
Default rate \| Weighted average
SBA AND USDA LOAN SERVICING
Measurement input of servicing rights	0.96	0.88
Residential Mortgage
SBA AND USDA LOAN SERVICING
Loans, less allowance for loan losses	$ 1,120,000	$ 804,200

Amount after allowance and 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 and loans held for sale.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
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-URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745

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Value of input used to measure servicing asset.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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