COMMITMENTS AND CONTINGENCIES (Detail Textuals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Commitments And Contingencies [Line Items]
Rental expense for operating leases	$ 1,730	$ 1,533	$ 1,230
Maximum repurchase collateral amount	45,196	$ 38,334
Pennsylvania
Commitments And Contingencies [Line Items]
Estimated costs of project	24,700
Capital cost incurred	23,100
Ooltewah, Tennessee and Greeneville, Tennessee
Commitments And Contingencies [Line Items]
Estimated costs of project	20,600
Capital cost incurred	8,000
Current estimated costs of administrative building	$ 4,200