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Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
BALANCES AT BEGINNING OF PERIOD	$ 9,932	$ 9,921
CHARGE-OFFS	(171)	(3,582)
RECOVERIES	94	81
PROVISION (CREDIT)	225	3,100
BALANCES AT END OF PERIOD	10,080	9,520
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
BALANCES AT BEGINNING OF PERIOD	4,041	4,244
CHARGE-OFFS	0	(3,339)
RECOVERIES	7	7
PROVISION (CREDIT)	(24)	2,655
BALANCES AT END OF PERIOD	4,024	3,567
Commercial loans secured by real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
BALANCES AT BEGINNING OF PERIOD	3,584	3,449
CHARGE-OFFS	(14)	0
RECOVERIES	2	28
PROVISION (CREDIT)	175	229
BALANCES AT END OF PERIOD	3,747	3,706
Real estate - mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
BALANCES AT BEGINNING OF PERIOD	1,169	1,173
CHARGE-OFFS	(94)	(38)
RECOVERIES	66	42
PROVISION (CREDIT)	26	(20)
BALANCES AT END OF PERIOD	1,167	1,157
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
BALANCES AT BEGINNING OF PERIOD	151	151
CHARGE-OFFS	(63)	(205)
RECOVERIES	19	4
PROVISION (CREDIT)	42	195
BALANCES AT END OF PERIOD	149	145
Allocation for general risk [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
BALANCES AT BEGINNING OF PERIOD	987	904
CHARGE-OFFS	0	0
RECOVERIES	0	0
PROVISION (CREDIT)	6	41
BALANCES AT END OF PERIOD	$ 993	$ 945

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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.

+ References

No definition available.

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- Definition

Amount of other addition (reduction) in allowance reserve for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(4)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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Amount of direct write-downs of financing receivables charged against the allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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