SIGNIFICANT ACCOUNTING POLICIES - Reconciliation of weighted average shares outstanding (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule Of Earnings Per Share, Basic and Diluted, By Common Class, Including Two Class Method [Line Items]
Net income available for stockholders:	$ 8,914us-gaap_NetIncomeLoss	$ 7,528us-gaap_NetIncomeLoss	$ 6,979us-gaap_NetIncomeLoss
Less: Dividends paid
Undistributed earnings (loss)	2,812us-gaap_UndistributedEarnings	1,823us-gaap_UndistributedEarnings	(16,833)us-gaap_UndistributedEarnings
Basic shares outstanding:
Basic shares outstanding (in shares)	36,937	36,820	36,656
Diluted shares outstanding:
Basic shares outstanding (in shares)	36,937	36,820	36,656
Diluted shares outstanding (in shares)	37,228	37,144	36,804
Basic earnings per share:
Basic earnings per share (in dollars per share)	$ 0.24us-gaap_EarningsPerShareBasic	$ 0.20us-gaap_EarningsPerShareBasic	$ 0.19us-gaap_EarningsPerShareBasic
Diluted earnings per share:
Diluted earnings per share (in dollars per share)	$ 0.24us-gaap_EarningsPerShareDiluted	$ 0.20us-gaap_EarningsPerShareDiluted	$ 0.19us-gaap_EarningsPerShareDiluted
Common Stock
Schedule Of Earnings Per Share, Basic and Diluted, By Common Class, Including Two Class Method [Line Items]
Net income available for stockholders:
Less: Dividends paid
Dividends paid	(5,911)	(5,525)	(23,135)
Undistributed earnings (loss)	2,720	1,762	(16,329)
Basic shares outstanding:
Basic shares outstanding (in shares)	35,691	35,556	35,530
Diluted shares outstanding:
Basic shares outstanding (in shares)	35,691	35,556	35,530
Dilutive effect of options (in shares)	291	324	148
Diluted shares outstanding (in shares)	35,982	35,880	35,678
Basic earnings per share:
Distributed earnings (in dollars per share)	$ 0.16	$ 0.15	$ 0.65
Undistributed earnings (loss) (in dollars per share)	$ 0.08	$ 0.05	$ (0.46)
Basic earnings per share (in dollars per share)	$ 0.24	$ 0.20	$ 0.19
Diluted earnings per share:
Distributed earnings (in dollars per share)	$ 0.16	$ 0.15	$ 0.65
Undistributed earnings (loss) (in dollars per share)	$ 0.08	$ 0.05	$ (0.46)
Diluted earnings per share (in dollars per share)	$ 0.24	$ 0.20	$ 0.19
Restricted shares of common stock
Less: Dividends paid
Dividends paid	(191)	(180)	(677)
Undistributed earnings (loss)	$ 92	$ 61	$ (504)
Basic shares outstanding:
Basic shares outstanding (in shares)	1,246	1,264	1,126
Diluted shares outstanding:
Basic shares outstanding (in shares)	1,246	1,264	1,126
Diluted shares outstanding (in shares)	1,246	1,264	1,126
Basic earnings per share:
Distributed earnings (in dollars per share)	$ 0.15	$ 0.14	$ 0.60
Undistributed earnings (loss) (in dollars per share)	$ 0.08	$ 0.05	$ (0.45)
Basic earnings per share (in dollars per share)	$ 0.23	$ 0.19	$ 0.15

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Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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