PRE TAX EXPENSE (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based award expense	$ 2,712		$ 2,462		$ 2,845
Related tax benefits recognized in earnings	945		832		932
Stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based award expense	36		241		526
Stock options [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based award expense	14		27		19
Restricted stock awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based award expense	2,135	[1]	1,906	[1]	1,968	[1]
Restricted stock awards [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based award expense	$ 527		$ 288		$ 332

[1] Inclusive of compensation expense associated with time-vested and performance-based restricted stock awards.