LOANS - Loans Evaluated for Impairment (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Commercial Real Estate
Loans receivable: balance at end of period
Total loans	$ 779,834	$ 418,289
Commercial and Industrial Loans
Loans receivable: balance at end of period
Total loans	309,995	151,240
Residential Mortgages
Loans receivable: balance at end of period
Total loans	1,155,436	506,612
Consumer
Loans receivable: balance at end of period
Total loans	127,370	53,093
Business Activities Loans
Loans receivable: balance at end of period
Individually evaluated for impairment	7,254	6,709
Collectively evaluated for impairment	1,195,574	1,122,525
Total loans	1,202,828	1,129,234
Business Activities Loans \| Commercial Real Estate
Loans receivable: balance at end of period
Individually evaluated for impairment	4,191	4,481
Collectively evaluated for impairment	440,746	413,808
Total loans	444,937	418,289
Business Activities Loans \| Commercial and Industrial Loans
Loans receivable: balance at end of period
Individually evaluated for impairment	722	486
Collectively evaluated for impairment	183,464	150,754
Total loans	184,186	151,240
Business Activities Loans \| Residential Mortgages
Loans receivable: balance at end of period
Individually evaluated for impairment	1,700	1,709
Collectively evaluated for impairment	516,856	504,903
Total loans	518,556	506,612
Business Activities Loans \| Consumer
Loans receivable: balance at end of period
Individually evaluated for impairment	641	33
Collectively evaluated for impairment	54,508	53,060
Total loans	55,149	53,093
Acquired Loans
Loans receivable: balance at end of period
Individually evaluated for impairment	0
Purchased credit-impaired loans	17,025
Collectively evaluated for impairment	1,152,782
Total loans	1,169,807
Acquired Loans \| Commercial Real Estate
Loans receivable: balance at end of period
Individually evaluated for impairment	0
Purchased credit-impaired loans	11,853
Collectively evaluated for impairment	323,044
Total loans	334,897	0
Acquired Loans \| Commercial and Industrial Loans
Loans receivable: balance at end of period
Individually evaluated for impairment	0
Purchased credit-impaired loans	1,142
Collectively evaluated for impairment	124,667
Total loans	125,809	0
Acquired Loans \| Residential Mortgages
Loans receivable: balance at end of period
Individually evaluated for impairment	0
Purchased credit-impaired loans	3,819
Collectively evaluated for impairment	633,061
Total loans	636,880	0
Acquired Loans \| Consumer
Loans receivable: balance at end of period
Individually evaluated for impairment	0
Purchased credit-impaired loans	211
Collectively evaluated for impairment	72,010
Total loans	$ 72,221	$ 0

Financing Receivable, Purchased Credit-Impaired Loans

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ 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 (h)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

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- References

No definition available.

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