Debt and Short-Term Borrowings - Interest Rate Swaps (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Other long-term assets	$ 0	$ 1,683,000
Other long-term liabilities	14,452,000	$ 4,059,000
Reclassified losses from accumulated other comprehensive income loss	677,000
2015 Interest Rate Swap Agreement
Derivative [Line Items]
Notional Amount	200,000,000
2018 Interest Rate Swap Agreement
Derivative [Line Items]
Notional Amount	$ 250,000,000
1-month LIBOR | 2015 Interest Rate Swap Agreement
Derivative [Line Items]
Fixed Rate	1.9225%
1-month LIBOR | 2018 Interest Rate Swap Agreement
Derivative [Line Items]
Fixed Rate	2.89%