Fair Value Measurement (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value Measurement

Schedule of fair value of financial instruments

	Carrying		Fair		Fair Value Measurements
As of September 30, 2019	Amount		Value		Level 1		Level 2		Level 3
Recurring assets and liabilities:
Long-term debt	$	1,367,583	$	769,403	$	—	$	769,403	$	—
Interest rate swap liability		1,128		1,128		—		1,128		—
Acquisition contingent liability	$	721	$	721	$	—	$	—	$	721
Nonrecurring assets and liabilities:
Goodwill		609,458		609,458		—		—		609,458

	Carrying		Fair		Fair Value Measurements
As of December 31, 2018	Amount		Value		Level 1		Level 2		Level 3
Recurring assets and liabilities:
Long-term debt	$	1,306,423	$	1,316,306	$	—	$	1,316,306	$	—
Interest rate swap asset		3,836		3,836		—		3,836		—
Acquisition contingent liability	$	721	$	721	$	—	$	—	$	721
Nonrecurring assets and liabilities:
Goodwill		708,258		708,258		—		—		708,258

Schedule of net assets and liabilities classified as Level 3 for reconciliation

	September 30,		December 31,
	2019		2018
Balance as of Beginning of Period	$	721	$	721
Payments/Reductions		—		—
Balance as of End of Period	$	721	$	721