LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Loans and Leases Individually Evaluated for Impairment by Class of Loans (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Unpaid Principal Balance
Total	$ 32,729		$ 32,729		$ 36,890
Recorded Investment
Total	32,284		32,284		34,283
Allowance for Loan and Lease Losses	665		665		369
Average Recorded Investment	32,406	$ 33,312	36,989	$ 32,539
Interest Income Recognized	280	391	1,021	1,001
Cash Basis Interest Recognized	287	393	1,022	1,010
Commercial \| Commercial and industrial
Unpaid Principal Balance
With no related allowance recorded	3,416		3,416		6,244
With an allowance recorded	0		0		1,072
Recorded Investment
With no related allowance recorded	3,397		3,397		6,086
With an allowance recorded	0		0		1,073
Allowance for Loan and Lease Losses	0		0		38
Average Recorded Investment	3,434	6,379	3,843	6,592
Interest Income Recognized	65	60	183	247
Cash Basis Interest Recognized	65	64	208	258
Commercial \| Commercial real estate
Unpaid Principal Balance
With no related allowance recorded	0		0		1,200
Recorded Investment
With no related allowance recorded	0		0		312
Average Recorded Investment	0	343	197	363
Interest Income Recognized	0	10	24	27
Cash Basis Interest Recognized	0	10	24	27
Commercial \| Multi-family
Recorded Investment
Average Recorded Investment		0		527
Interest Income Recognized		0		13
Cash Basis Interest Recognized		0		15
Commercial \| SBA
Unpaid Principal Balance
With no related allowance recorded	0		0		22
Recorded Investment
With no related allowance recorded	0		0		3
Average Recorded Investment		8		8
Interest Income Recognized		0		0
Cash Basis Interest Recognized		0		0
Consumer \| Single family residential mortgage
Unpaid Principal Balance
With no related allowance recorded	23,367		23,367		24,224
With an allowance recorded	5,652		5,652		3,575
Recorded Investment
With no related allowance recorded	23,253		23,253		22,671
With an allowance recorded	5,340		5,340		3,585
Allowance for Loan and Lease Losses	665		665		331
Average Recorded Investment	28,678	26,028	32,655	24,668
Interest Income Recognized	213	317	808	706
Cash Basis Interest Recognized	221	315	784	701
Consumer \| Other consumer
Unpaid Principal Balance
With no related allowance recorded	294		294		553
Recorded Investment
With no related allowance recorded	294		294		$ 553
Average Recorded Investment	294	554	294	381
Interest Income Recognized	2	4	6	8
Cash Basis Interest Recognized	$ 1	$ 4	$ 6	$ 9

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-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 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=65880944

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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