COMPONENTS OF COAL WORKERS’ PNEUMOCONIOSIS (CWP) AND WORKERS’ COMPENSATION NET PERIODIC BENEFIT COSTS

6 Months Ended

Jun. 30, 2019

Retirement Benefits [Abstract]

COMPONENTS OF COAL WORKERS’ PNEUMOCONIOSIS (CWP) AND WORKERS’ COMPENSATION NET PERIODIC BENEFIT COSTS

COMPONENTS OF COAL WORKERS’ PNEUMOCONIOSIS (CWP) AND WORKERS’ COMPENSATION NET PERIODIC BENEFIT COSTS:

The components of Net Periodic Benefit Cost are as follows:

	CWP										Workers' Compensation
	Three Months Ended June 30,					Six Months Ended June 30,					Three Months Ended June 30,						Six Months Ended June 30,
	2019		2018			2019		2018			2019			2018			2019			2018
Service Cost	$	948	$	1,662		$	1,896	$	3,325		$	1,421		$	1,558		$	2,842		$	3,115
Interest Cost	1,750		1,311			3,500		2,623			646			571			1,293			1,141
Amortization of Actuarial Loss (Gain)	254		(213		)	508		(427		)	(193		)	(20		)	(387		)	(39		)
State Administrative Fees and Insurance Bond Premiums	—		—			—		—			574			718			1,161			1,311
Net Periodic Benefit Cost	$	2,952	$	2,760		$	5,904	$	5,521		$	2,448		$	2,827		$	4,909		$	5,528