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EARNINGS PER SHARE (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
EARNINGS PER SHARE
Net income available for stockholders:	$ 7,855	$ 9,373	$ 7,469	$ 7,161	$ 8,990	$ 7,609	$ 24,697	$ 23,760
Less: Adjustments for earnings attributable to participating securities	(187)			(194)			(594)	(658)
Net income used in calculating earnings per share	$ 7,668			$ 6,967			$ 24,103	$ 23,102
Weighted average shares outstanding (including participating securities)	34,001			34,539			34,111	34,563
Adjustment for participating securities	(817)			(950)			(837)	(979)
Shares used in calculating basic and diluted earnings per share	33,184			33,589			33,274	33,584

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The total amount of dividends declared in the period for each class of stock and the contractual amount of dividends (or interest on participating income bonds) that must be paid for the period (for example, unpaid cumulative dividends). Dividends declared in the current period do not include dividends declared in respect of prior-period unpaid cumulative dividends. Preferred dividends that are cumulative only if earned are deducted only to the extent that they are earned.

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