LOANS AND THE ALLOWANCE FOR LOAN LOSSES (Details) - Aging Analysis (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	$ 12,848	$ 1,234
60-89 Days Past Due	849	258
90 Days or Greater Past Due	9,823	3,137
Total Past Due	23,520	4,629
Current	2,516,011	955,975
Total Loans Receivable	2,539,531	960,604
Loans Receivable > 90 Days Past Due and Accruing	1,211
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	6,060	18
90 Days or Greater Past Due	662	753
Total Past Due	6,722	771
Current	493,094	228,917
Total Loans Receivable	499,816	229,688
Loans Receivable > 90 Days Past Due and Accruing	45
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	4,937	221
60-89 Days Past Due	638
90 Days or Greater Past Due	5,961	744
Total Past Due	11,535	965
Current	1,622,975	535,574
Total Loans Receivable	1,634,510	536,539
Loans Receivable > 90 Days Past Due and Accruing	609
Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	167,359	42,722
Total Loans Receivable	167,359	42,722
Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	1,821	990
60-89 Days Past Due	210	258
90 Days or Greater Past Due	3,200	1,640
Total Past Due	5,231	2,888
Current	229,736	147,683
Total Loans Receivable	234,967	150,571
Loans Receivable > 90 Days Past Due and Accruing	557
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	30	5
60-89 Days Past Due	1
Total Past Due	31	5
Current	2,848	1,079
Total Loans Receivable	$ 2,879	$ 1,084