FAIR VALUE MEASUREMENT Financial Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Carrying Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Cash and cash equivalents	$ 100,779	$ 50,463
Investment securities available for sale	404,388	136,311
Investment securities held to maturity	500	180
Loans held for sale	8,663	16,439
Loans, net	1,382,623	759,418
Federal Home Loan Bank Stock	8,929	2,307
Bank-owned life insurance	33,148	19,976
Accrued interest receivable	5,387	5,154
Deposits	1,675,309	873,222
Short-term borrowings	126,500	7,500
Long-term debt	72,921	19,864
Accrued interest payable	1,817	476
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Investment securities available for sale	404,388	136,311
Purchased Accounts Receivable	18,725
Estimated Fair Value
Carrying Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Investment securities available for sale	404,388	136,311
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Cash and cash equivalents	100,779	50,463
Investment securities available for sale	404,388	136,311
Investment securities held to maturity	500	410
Loans held for sale	8,663	16,439
Loans, net	1,377,270	763,572
Federal Home Loan Bank stock	8,929	2,307
Bank-owned life insurance	33,148	19,976
Accrued interest receivable	5,387	5,154
Deposits	1,677,253	876,674
Short-term borrowings	126,726	7,456
Long-term debt	72,397	19,821
Accrued interest payable	1,817	476
Purchased Accounts Receivable	18,725
Level 1
Carrying Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Investment securities available for sale	66,923	58
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Cash and cash equivalents	100,779	50,463
Investment securities available for sale	66,923	58
Investment securities held to maturity	0	0
Loans held for sale	0	0
Loans, net	0	0
Federal Home Loan Bank stock	0	0
Bank-owned life insurance	0	0
Accrued interest receivable	0	0
Deposits	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Accrued interest payable	0	0
Purchased Accounts Receivable	0
Level 2
Carrying Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Investment securities available for sale	329,882	136,253
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Cash and cash equivalents	0	0
Investment securities available for sale	329,882	136,253
Investment securities held to maturity	0	0
Loans held for sale	8,663	16,439
Loans, net	0	0
Federal Home Loan Bank stock	8,929	2,307
Bank-owned life insurance	33,148	19,976
Accrued interest receivable	5,387	5,154
Deposits	1,677,253	876,674
Short-term borrowings	0	0
Long-term debt	0	0
Accrued interest payable	1,817	476
Purchased Accounts Receivable	18,725
Level 3
Carrying Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Investment securities available for sale	7,583	0
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Cash and cash equivalents	0	0
Investment securities available for sale	7,583	0
Investment securities held to maturity	500	410
Loans held for sale	0	0
Loans, net	1,377,270	763,572
Federal Home Loan Bank stock	0	0
Bank-owned life insurance	0	0
Accrued interest receivable	0	0
Deposits	0	0
Short-term borrowings	126,726	7,456
Long-term debt	72,397	19,821
Accrued interest payable	0	0
Purchased Accounts Receivable	0
Interest Rate Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivative assets	4,717	1,005
Interest Rate Cap | Estimated Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivative assets	4,717	1,005
Interest Rate Cap | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivative assets	0	0
Interest Rate Cap | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivative assets	4,363	210
Interest Rate Cap | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivative assets	354	795
Interest Rate Swap
Carrying Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Derivative liabilities		103
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivative liabilities		103
Interest Rate Swap | Estimated Fair Value
Carrying Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Derivative liabilities		103
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivative liabilities		103
Interest Rate Swap | Level 1
Carrying Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Derivative liabilities		0
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivative liabilities		0
Interest Rate Swap | Level 2
Carrying Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Derivative liabilities		103
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivative liabilities		103
Interest Rate Swap | Level 3
Carrying Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Derivative liabilities		0
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Derivative liabilities		$ 0