Fair value portion of consumer loans held-for-sale.

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The amount of the transfer of assets or liabilities done, measured on a recurring basis into or out of Level 1 of the fair value hierarchy, into Level 2 or Level 3.

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Mandatory Forward Contracts, Fair Value Disclosure.

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Represents information pertaining to the disclosure of mandatory forward contracts under fair value liabilities.

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Number of tranches carried at fair value.

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Rate Lock Loan Commitments, Fair Value Disclosure.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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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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Fair value portion of mortgage loans held-for-sale.

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FAIR VALUE - RECURRING BASIS (Details) $ in Thousands	3 Months Ended		9 Months Ended
FAIR VALUE - RECURRING BASIS (Details) $ in Thousands	Sep. 30, 2017 USD ($) item	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) item	Sep. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($) item	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2008 USD ($)
Financial assets:
Securities available for sale	$ 458,719		$ 458,719			$ 481,275
Mortgage loans held for sale, at fair value	4,083	$ 8,442	4,083	$ 8,442	$ 6,057	11,662	$ 12,280	$ 4,083
Consumer loans held for sale	$ 3,368	1,691	$ 3,368	1,691	$ 3,235	$ 2,198	$ 6,826
Mortgage Servicing Rights
Assets and Liabilities Measured on Recurring Basis
Number of tranches carried at fair value \| item	0		0			0
U.S. Treasury securities and U.S. Government agencies
Financial assets:
Securities available for sale	$ 236,259		$ 236,259			$ 294,544
Private label mortgage backed security
Financial assets:
Securities available for sale	4,575		4,575			4,777
Mortgage backed securities - residential
Financial assets:
Securities available for sale	104,002		104,002			73,004
Collateralized mortgage obligations
Financial assets:
Securities available for sale	92,234		92,234			87,654
Freddie Mac preferred stock
Financial assets:
Securities available for sale	407		407			483			$ 0
Community Reinvestment Act mutual fund
Financial assets:
Securities available for sale	2,481		2,481			2,455
Corporate bonds
Financial assets:
Securities available for sale	15,261		15,261			15,158
Trust preferred security
Financial assets:
Securities available for sale	3,500		3,500			3,200
Recurring basis
Financial assets:
Securities available for sale	458,719		458,719			481,275
Mortgage loans held for sale, at fair value	4,083		4,083			11,662
Consumer loans held for sale	3,368		3,368			2,198
Rate lock loan commitments	484		484			299
Mandatory forward contracts						204
Interest rate swap agreements	620		620			305
Financial Liabilities:
Mandatory forward contracts	44		44
Interest rate swap agreements	905		905			597
Transfers between Level 1, 2 or 3	0	$ 0	0	$ 0
Recurring basis \| U.S. Treasury securities and U.S. Government agencies
Financial assets:
Securities available for sale	236,259		236,259			294,544
Recurring basis \| Private label mortgage backed security
Financial assets:
Securities available for sale	4,575		4,575			4,777
Recurring basis \| Mortgage backed securities - residential
Financial assets:
Securities available for sale	104,002		104,002			73,004
Recurring basis \| Collateralized mortgage obligations
Financial assets:
Securities available for sale	92,234		92,234			87,654
Recurring basis \| Freddie Mac preferred stock
Financial assets:
Securities available for sale	407		407			483
Recurring basis \| Community Reinvestment Act mutual fund
Financial assets:
Securities available for sale	2,481		2,481			2,455
Recurring basis \| Corporate bonds
Financial assets:
Securities available for sale	15,261		15,261			15,158
Recurring basis \| Trust preferred security
Financial assets:
Securities available for sale	3,500		3,500			3,200
Recurring basis \| Fair Value, Inputs, Level 1
Financial assets:
Securities available for sale	2,481		2,481			2,455
Recurring basis \| Fair Value, Inputs, Level 1 \| Community Reinvestment Act mutual fund
Financial assets:
Securities available for sale	2,481		2,481			2,455
Recurring basis \| Fair Value, Inputs, Level 2
Financial assets:
Securities available for sale	448,163		448,163			470,843
Mortgage loans held for sale, at fair value	4,083		4,083			11,662
Rate lock loan commitments	484		484			299
Mandatory forward contracts						204
Interest rate swap agreements	620		620			305
Financial Liabilities:
Mandatory forward contracts	44		44
Interest rate swap agreements	905		905			597
Recurring basis \| Fair Value, Inputs, Level 2 \| U.S. Treasury securities and U.S. Government agencies
Financial assets:
Securities available for sale	236,259		236,259			294,544
Recurring basis \| Fair Value, Inputs, Level 2 \| Mortgage backed securities - residential
Financial assets:
Securities available for sale	104,002		104,002			73,004
Recurring basis \| Fair Value, Inputs, Level 2 \| Collateralized mortgage obligations
Financial assets:
Securities available for sale	92,234		92,234			87,654
Recurring basis \| Fair Value, Inputs, Level 2 \| Freddie Mac preferred stock
Financial assets:
Securities available for sale	407		407			483
Recurring basis \| Fair Value, Inputs, Level 2 \| Corporate bonds
Financial assets:
Securities available for sale	15,261		15,261			15,158
Recurring basis \| Fair Value, Inputs, Level 3
Financial assets:
Securities available for sale	8,075		8,075			7,977
Consumer loans held for sale	3,368		3,368			2,198
Recurring basis \| Fair Value, Inputs, Level 3 \| Private label mortgage backed security
Financial assets:
Securities available for sale	4,575		4,575			4,777
Recurring basis \| Fair Value, Inputs, Level 3 \| Trust preferred security
Financial assets:
Securities available for sale	$ 3,500		$ 3,500			$ 3,200