Fair Value Measurements and Interest Rate Swaps - Interest Rate Swaps (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Feb. 05, 2020	Jul. 25, 2019	May 07, 2019
Interest rate swap 1
Derivative [Line Items]
Effective Date	Nov. 20, 2020
Termination Date	Sep. 29, 2022
Notional Amount				$ 75,000
Fixed Interest Rate				2.0925%
Interest rate swap 2
Derivative [Line Items]
Effective Date	Nov. 20, 2020
Termination Date	Sep. 29, 2022
Notional Amount			$ 75,000
Fixed Interest Rate			1.55%
Interest rate swap 3
Derivative [Line Items]
Effective Date	Feb. 26, 2021
Termination Date	Feb. 28, 2025
Notional Amount		$ 150,000
Fixed Interest Rate		1.38%