FAIR VALUE - Summary of Carrying Value and Fair Value of Company's Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Quoted Prices in Active Markets for Identical Assets Level 1 [Member]		Jun. 30, 2013 Quoted Prices in Active Markets for Identical Assets Level 1 [Member]	Jun. 30, 2014 Significant Other Observable Inputs Level 2 [Member]		Jun. 30, 2013 Significant Other Observable Inputs Level 2 [Member]	Jun. 30, 2014 Significant Unobservable Inputs Level 3 [Member]		Jun. 30, 2013 Significant Unobservable Inputs Level 3 [Member]	Jun. 30, 2014 Carrying Amount [Member]		Jun. 30, 2013 Carrying Amount [Member]
Held to maturity securities	$ 156,498	$ 0	$ 0	[1]		$ 155,935	[1]		$ 0	[1]		$ 156,498	[1]
Loans, net	1,317,052	1,284,139	0		0	0		0	1,310,084		1,232,114	1,305,374		1,225,124
Deposit liabilities			0		0	0		0	1,806,162		1,740,102	1,805,537		1,738,609
Borrowings			0		0	53,423		54,303	0		0	50,000		50,000
Subordinated debt			$ 0		$ 0	$ 42,888		$ 37,527	$ 0		$ 0	$ 53,610		$ 53,610

[1] See Note D for further detail of fair value of individual investment categories.