Fair Value Measurements and Interest Rate Swaps (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Estimated fair value of contracts

The table below presents the estimated fair values of our interest rate swap contracts, our forward-starting interest rate swap contracts and our contingent consideration liabilities (in thousands):

	Fair Value at March 31,
	2021		2020
Level 2
Unrealized gains on interest rate swaps	$	8,180	$	—
Unrealized losses on interest rate swaps	8,088		11,611
Level 3
Contingent consideration liabilities	$	993	$	433

Schedule of Interest Rate Derivatives

The following table provides additional details related to these swap contracts:

Derivative	Inception Date	Effective Date	Termination Date	Notional Amount (in millions)	Fixed Interest Rate
Interest rate swap 1	May 7, 2019	November 20, 2020	September 29, 2022	$75.0	2.0925%
Interest rate swap 2	July 25, 2019	November 20, 2020	September 29, 2022	$75.0	1.5500%
Interest rate swap 3	February 5, 2020	February 26, 2021	February 28, 2025	$150.0	1.3800%

The following table provides details related to each of our forward-starting interest rate swap contracts:

Derivative	Inception Date	Effective Date	Termination Date	Notional Amount (in millions)	Fixed Interest Rate
Forward-starting interest rate swap 1	March 9, 2020	September 29, 2022	February 26, 2027	$150.0	0.7400%
Forward-starting interest rate swap 2	March 9, 2020	February 28, 2025	February 26, 2027	$150.0	0.8130%