Business Combinations (Details) - Schedule of Operating Results Attributable to Business Combinations - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
BUSINESS COMBINATIONS (Details) - Schedule of Operating Results Attributable to Business Combinations [Line Items]
Net interest income	$ 30,456	$ 29,727	$ 28,678	$ 28,292	$ 28,580	$ 27,546	$ 11,668	$ 11,610	$ 117,153	$ 79,399	$ 46,186
Noninterest income									11,173	7,498	6,851
Net income	$ 9,568	$ 10,842	$ 10,521	$ 10,379	$ 8,023	$ 1,766	$ 4,378	$ 4,398	$ 41,311	18,565	19,925
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BUSINESS COMBINATIONS (Details) - Schedule of Operating Results Attributable to Business Combinations [Line Items]
Net interest income										107,988	95,749
Noninterest income										8,244	8,053
Noninterest expense										(54,749)	(45,827)
Net income										$ 45,981	$ 35,984
Pro forma earnings per share from continuing operations:
Basic										$ 1.55	$ 0.91
Diluted										$ 1.53	$ 0.90