FAIR VALUE MEASUREMENT (Details 3) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Jan. 31, 2012	Dec. 31, 2011
Financial assets:
Fair Value	$ 154,634,000	$ 136,311,000
Successor [Member]
Financial assets:
Cash and cash equivalents at carrying value	44,237,000	50,463,000	80,538,000	36,023,000	50,463,000
Mortgage loans held for sale at carrying value	2,382,000	2,307,000
Loans held for investment, net at carrying value	8,671,000	16,439,000
Investment securities available for sale	154,634,000	136,311,000
Fair Value	154,634,000	136,311,000
Investment securities held to maturity	194,000	180,000
Loans, net	789,096,000	759,418,000
Bank Owned Life Insurance	20,138,000	19,976,000
Financial liabilities:
Deposits	903,923,000	873,222,000
Short-term borrowings	6,000,000	7,500,000
Long-term Debt	28,902,000	19,864,000
Interest Payable	466,000	476,000
Accrued Investment Income Receivable	5,153,000	5,154,000
Successor [Member] | Estimate Of Fair Value, Fair Value Disclosure [Member]
Financial assets:
Cash and cash equivalents	44,237,000	50,463,000
Fair Value	154,634,000	136,311,000
Fair Value	408,000	410,000
Mortgage loans held for sale	2,382,000	2,307,000
Loans, net	8,671,000	16,439,000
Loans Held For Investment, Fair Value	794,105,000	763,572,000
Investment in Life Insurance, Fair Value Net	20,138,000	19,976,000
Financial liabilities:
Deposits	907,224,000	876,674,000
Short Term Borrowings, Fair Value Net	5,987,000	7,456,000
Long-term Debt, Fair Value	28,868,000	19,821,000
Accrued Interest Payable Estimated Value	466,000	476,000
Accrued Investment Income Receivable Fair Value	5,153,000	5,154,000
Successor [Member] | Fair Value, Inputs, Level 1 [Member]
Financial assets:
Cash and cash equivalents	44,237,000	50,463,000
Fair Value	79,000	58,000
Fair Value	0	0
Mortgage loans held for sale	0	0
Loans, net	0	0
Loans Held For Investment, Fair Value	0	0
Investment in Life Insurance, Fair Value Net	0	0
Financial liabilities:
Deposits	0	0
Short Term Borrowings, Fair Value Net	0	0
Long-term Debt, Fair Value	0	0
Accrued Interest Payable Estimated Value	0	0
Accrued Investment Income Receivable Fair Value	0	0
Successor [Member] | Fair Value, Inputs, Level 2 [Member]
Financial assets:
Cash and cash equivalents	0	0
Fair Value	154,555,000	136,253,000
Fair Value	0	0
Mortgage loans held for sale	2,382,000	2,307,000
Loans, net	8,671,000	16,439,000
Loans Held For Investment, Fair Value	0	0
Investment in Life Insurance, Fair Value Net	20,138,000	19,976,000
Financial liabilities:
Deposits	907,224,000	876,674,000
Short Term Borrowings, Fair Value Net	0	0
Long-term Debt, Fair Value	0	0
Accrued Interest Payable Estimated Value	466,000	476,000
Accrued Investment Income Receivable Fair Value	5,153,000	5,154,000
Successor [Member] | Fair Value, Inputs, Level 3 [Member]
Financial assets:
Cash and cash equivalents	0	0
Fair Value	0	0
Fair Value	408,000	410,000
Mortgage loans held for sale	0	0
Loans, net	0	0
Loans Held For Investment, Fair Value	794,105,000	763,572,000
Investment in Life Insurance, Fair Value Net	0	0
Financial liabilities:
Deposits	0	0
Short Term Borrowings, Fair Value Net	5,987,000	7,456,000
Long-term Debt, Fair Value	28,868,000	19,821,000
Accrued Interest Payable Estimated Value	0	0
Accrued Investment Income Receivable Fair Value	0	0
Interest Rate Cap [Member] | Successor [Member]
Financial assets:
Interest rate swaps at carrying value	293,000	210,000
Interest Rate Cap [Member] | Successor [Member] | Estimate Of Fair Value, Fair Value Disclosure [Member]
Financial liabilities:
Interest rate swaps	293,000	210,000
Interest Rate Cap [Member] | Successor [Member] | Fair Value, Inputs, Level 1 [Member]
Financial liabilities:
Interest rate swaps	0	0
Interest Rate Cap [Member] | Successor [Member] | Fair Value, Inputs, Level 2 [Member]
Financial liabilities:
Interest rate swaps	293,000	210,000
Interest Rate Cap [Member] | Successor [Member] | Fair Value, Inputs, Level 3 [Member]
Financial liabilities:
Interest rate swaps	0	0
Interest Rate Swap [Member] | Successor [Member]
Financial assets:
Interest rate swaps at carrying value	54,000	258,000
Interest Rate Swap [Member] | Successor [Member] | Estimate Of Fair Value, Fair Value Disclosure [Member]
Financial liabilities:
Interest rate swaps	54,000	258,000
Interest Rate Swap [Member] | Successor [Member] | Fair Value, Inputs, Level 1 [Member]
Financial liabilities:
Interest rate swaps	0	0
Interest Rate Swap [Member] | Successor [Member] | Fair Value, Inputs, Level 2 [Member]
Financial liabilities:
Interest rate swaps	54,000	258,000
Interest Rate Swap [Member] | Successor [Member] | Fair Value, Inputs, Level 3 [Member]
Financial liabilities:
Interest rate swaps	$ 0	$ 0