EMPLOYEE BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plan Amounts Recognized in the Consolidated Balance Sheets and Consolidated Statements of Income

The following table sets forth information concerning amounts recognized in First Financial’s Consolidated Statements of Income related to the Company's pension plan:

	Three months ended
	March 31,
(Dollars in thousands)	2017			2016
Service cost	$	1,238		$	1,308
Interest cost	589			581
Expected return on assets	(2,481		)	(2,431		)
Amortization of prior service cost	(103		)	(103		)
Net actuarial loss	438			420
Net periodic benefit (income) cost	$	(319	)	$	(225	)