Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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-Topic 815
-SubTopic 10
-Section 45
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- Definition

Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-SubTopic 10
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- Definition

The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260

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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Mar. 31, 2019
Interest rate swap agreements and non-hedging derivative assets and liabilities
Notional Amount	$ 412,133		$ 412,133		$ 182,239
Estimated Fair Value Asset (Liability)	(1,495)		(1,495)		811
Designated as hedging instrument \| Cash flow hedges:
Interest rate swap agreements and non-hedging derivative assets and liabilities
Notional Amount	140,000		140,000		$ 90,000
Weighted Average Maturity (in years)
Estimated Fair Value Asset (Liability)	(1,536)		(1,536)		$ 803
Designated as hedging instrument \| Cash flow hedges: \| Interest rate cap agreements
Interest rate swap agreements and non-hedging derivative assets and liabilities
Notional Amount	90,000		$ 90,000		$ 90,000
Weighted Average Maturity (in years)			3 years 7 months 6 days		4 years 1 month 6 days
Estimated Fair Value Asset (Liability)	174		$ 174		$ 803
Realized gains (losses)	(174)	$ (122)	(337)	$ (230)
Designated as hedging instrument \| Cash flow hedges: \| Interest rate swap on deposits
Interest rate swap agreements and non-hedging derivative assets and liabilities
Notional Amount	50,000		$ 50,000			$ 50,000
Weighted Average Maturity (in years)			4 years 9 months 18 days
Estimated Fair Value Asset (Liability)	(1,710)		$ (1,710)
Designated as hedging instrument \| Economic hedges:
Interest rate swap agreements and non-hedging derivative assets and liabilities
Notional Amount	3,561		3,561
Estimated Fair Value Asset (Liability)	(30)		(30)
Designated as hedging instrument \| Economic hedges: \| Forward sale commitments
Interest rate swap agreements and non-hedging derivative assets and liabilities
Notional Amount	3,561		$ 3,561
Weighted Average Maturity (in years)			1 month 6 days
Estimated Fair Value Asset (Liability)	(30)		$ (30)
Realized gains (losses)	35	(23)	(30)	147
Not designated as hedging instrument
Interest rate swap agreements and non-hedging derivative assets and liabilities
Notional Amount	268,572		268,572		92,239
Estimated Fair Value Asset (Liability)	71		71		8
Not designated as hedging instrument \| Interest rate lock commitments
Interest rate swap agreements and non-hedging derivative assets and liabilities
Notional Amount	8,082		$ 8,082		$ 957
Weighted Average Maturity (in years)			1 month 6 days		1 month 6 days
Estimated Fair Value Asset (Liability)	71		$ 71		$ 8
Realized gains (losses)	57	$ 1	63	$ 9
Not designated as hedging instrument \| Customer loan derivative liability
Interest rate swap agreements and non-hedging derivative assets and liabilities
Notional Amount	130,245		$ 130,245		$ 45,641
Weighted Average Maturity (in years)			9 years 2 months 12 days		9 years 10 months 24 days
Estimated Fair Value Asset (Liability)	(6,887)		$ (6,887)		$ (1,353)
Not designated as hedging instrument \| Customer loan derivative asset
Interest rate swap agreements and non-hedging derivative assets and liabilities
Notional Amount	130,245		$ 130,245		$ 45,641
Weighted Average Maturity (in years)			9 years 2 months 12 days		9 years 10 months 24 days
Estimated Fair Value Asset (Liability)	$ 6,887		$ 6,887		$ 1,353