EMPLOYEE BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2016

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						Nine months ended
	September 30,						September 30,
(Dollars in thousands)	2016			2015			2016			2015
Service cost	$	1,308		$	1,175		$	3,925		$	3,525
Interest cost	581			550			1,743			1,650
Expected return on assets	(2,431		)	(2,375		)	(7,294		)	(7,125		)
Amortization of prior service cost	(103		)	(100		)	(310		)	(300		)
Net actuarial loss	420			450			1,261			1,350
Net periodic benefit (income) cost	$	(225	)	$	(300	)	$	(675	)	$	(900	)