Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping

The following table summarizes the fair value balances (in thousands):

			Fair Value Measurement at
			June 30, 2019
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets (1)	$	47,907	$	—	$	47,907	$	—
5 year interest rate swap		24		—		24		—
	$	47,931	$	—	$	47,931	$	—
Liabilities:
Deferred compensation plan	$	36,994	$	—	$	36,994	$	—
10 year interest rate swap		1,082		—		1,082		—
	$	38,076	$	—	$	38,076	$	—

			Fair Value Measurement at
			December 31, 2018
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets (1)	$	42,161	$	—	$	42,161	$	—
5 year interest rate swap		135		—		135		—
	$	42,296	$	—	$	42,296	$	—
Liabilities:
Deferred compensation plan	$	33,287	$	—	$	33,287	$	—
10 year interest rate swap		70		—		70		—
	$	33,357	$	—	$	33,357	$	—

(1) Deferred compensation assets consist of the cash surrender value of life insurance policies and are intended to assist in the funding of the deferred compensation agreements.