Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2019

Investments All Other Investments [Abstract]

Summary of Investments

The following table summarizes activities related to these investments for the six months ended June 30, 2019 and the twelve months ended December 31, 2018 (in thousands):

	Six Months Ended			Twelve Months Ended
	June 30, 2019			December 31, 2018
Fair value at beginning of period	$	56,556		$	51,101
Purchases		13,920			18,426
Redemptions		(311	)		(1,793	)
Maturities		(10,245	)		(10,445	)
Decrease in bond premium		(357	)		(377	)
Fair market value adjustment		1,144			(356	)
Fair value at end of period	$	60,707		$	56,556

Summary of Outstanding Interest Rate Swaps

The following table summarizes our outstanding interest rate swaps and their classification in the accompanying Consolidated Balance Sheets at June 30, 2019 and December 31, 2018 (in thousands):

	June 30, 2019
	Notional		Fair
	Amount		Value			Balance Sheet Location
Interest rate swaps	$	70,000	$	(427	)	Other non-current liability
	December 31, 2018
	Notional		Fair
	Amount		Value			Balance Sheet Location
Interest rate swaps	$	70,000	$	1,096		Other non-current assets

Summary of Effects of Interest Rate Swap

The following table summarizes the effects of the interest rate swaps on the accompanying Consolidated Statements of Comprehensive Income for the three and six months ended June 30, 2019 and 2018 (in thousands):

	(Loss) Gain Recognized in AOCL, net of tax					(Loss) Reclassified from AOCL into Expense
	Three Months Ended					Three Months Ended
	June 30,					June 30,
	2019			2018		2019			2018
Interest rate swap	$	(730	)	$	176	$	(134	)	$	(87	)

	Six Months Ended					Six Months Ended
	June 30,					June 30,
	2019			2018		2019			2018
Interest rate swap	$	(1,157	)	$	626	$	(273	)	$	(125	)