Fair Value of Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value of Assets and Liabilities

Summary of financial assets and liabilities measured at fair value on a recurring basis

(in thousands)	Level 1		Level 2		Level 3		Fair Value
June 30, 2020
Assets
Money market accounts	$	68,183	$	—	$	—	$	68,183
Total assets measured at fair value	$	68,183	$	—	$	—	$	68,183
Liabilities
Acquisition-related contingent consideration-short term	$	—	$	—	$	3,975	$	3,975
Acquisition-related contingent consideration-long term		—		—		6,850		6,850
Interest rate swap agreements-short term		—		5,872		—		5,872
Interest rate swap agreements-long term		—		13,535		—		13,535
Total liabilities measured at fair value	$	—	$	19,407	$	10,825	$	30,232

(in thousands)	Level 1		Level 2		Level 3		Fair Value
December 31, 2019
Assets
Money market accounts	$	54,015	$	—	$	—	$	54,015
Total assets measured at fair value	$	54,015	$	—	$	—	$	54,015
Liabilities
Acquisition-related contingent consideration-short term	$	—	$	—	$	4,825	$	4,825
Acquisition-related contingent consideration-long term		—		—		9,900		9,900
Interest rate swap agreements-short term		—		2,157		—		2,157
Interest rate swap agreements-long term		—		6,182		—		6,182
Total liabilities measured at fair value	$	—	$	8,339	$	14,725	$	23,064

Reconciliation of contingent consideration liabilities related to acquisitions

Six Months Ended June 30, 2020	Beginning Balance		Additions		Payments		Change in Fair Value		Ending Balance
Contingent consideration - Level 3 liabilities	$	14,725	$	—	$	(1,000)	$	(2,900)	$	10,825
Six Months Ended June 30, 2019	Beginning Balance		Additions		Payments		Change in Fair Value		Ending Balance
Contingent consideration - Level 3 liabilities	$	15,250	$	1,500	$	(12,000)	$	—	$	4,750