EARNINGS PER SHARE (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended			6 Months Ended
		Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income		$ 9,616	$ 8,646	$ 7,193	$ 18,262	$ 12,804
Dividends and undistributed earnings allocated to participating securities	[1]	(49)		(23)	(81)	(40)
Net income available to common shareholders		$ 9,567		$ 7,170	$ 18,181	$ 12,764
Weighted-average common shares outstanding for basic EPS		10,276,876		7,446,156	10,268,440	7,438,626
Dilutive effect of stock-based awards (shares)	[2]	50,498		21,209	46,805	20,838
Weighted-average common and potential common shares for diluted EPS (shares)		10,327,374		7,467,365	10,315,245	7,459,464
Basic EPS (in dollars per share)		$ 0.93	$ 0.84	$ 0.97	$ 1.77	$ 1.72
Diluted EPS (in dollars per share)		$ 0.92	$ 0.84	$ 0.96	$ 1.76	$ 1.71
Employee Stock Option
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Stock options (shares)	[3]	12,250		15,250	12,250	15,250

[1] Represents dividends paid and undistributed earnings allocated to nonvested stock-based awards that contain non-forfeitable rights to dividends.

[2] Represents the effect of the assumed exercise of stock options, vesting of restricted shares, vesting of restricted stock units, and vesting of LTIP awards that have met the performance criteria, as applicable, utilizing the treasury stock method.

[3] Represents stock-based awards not included in the computation of potential common shares for purposes of calculating diluted EPS as the exercise prices were greater than the average market price of the Company's common stock and are considered anti-dilutive.