Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Investments All Other Investments [Abstract]

The following table summarizes our bond activity for the three months ended March 31, 2019 and the twelve months ended December 31, 2018 (in thousands):

	Three Months Ended			Twelve Months Ended
	March 31, 2019			December 31, 2018
Fair value at beginning of period	$	56,556		$	51,101
Purchases		9,470			18,426
Redemptions		—			(1,793	)
Maturities and calls		(6,865	)		(10,445	)
Change in bond premium		(171	)		(377	)
Fair market value adjustment		697			(356	)
Fair value at end of period	$	59,687		$	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 March 31, 2019 and December 31, 2018 (in thousands):

	March 31, 2019
	Notional		Fair
	Amount		Value		Balance Sheet Location
Interest rate swaps	$	70,000	$	533	Other non-current assets
	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 swap on our accompanying Consolidated Statements of Comprehensive Income for the three months ended March 31, 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
	March 31,					March 31,
	2019			2018		2019			2018
Interest rate swap	$	(427	)	$	450	$	(139	)	$	(38	)