Investments and other assets (Tables)

12 Months Ended

Dec. 31, 2018

Investments, All Other Investments [Abstract]

Schedule of Other Assets

Our investments and other assets consisted of the following as of December 31, 2018 and 2017 (in thousands):

	Dec. 31, 2018		Dec. 31, 2017
Cash value life insurance	$	50,452	$	51,188
Equity method investments	22,960		27,098
Cost method investments	24,497		17,374
Deferred debt issuance costs	9,350		6,048
Other long-term assets	36,206		35,458
Total	$	143,465	$	137,166