Derivative Financial Instruments - Additional Information (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Derivative [Line Items]
LIBOR period	3 months
Weighted average fixed rate	4.20%	4.20%
Recorded period of effectiveness of cash flow hedges on net income	12 months
Recorded period of effectiveness of fair value hedges on net income	12 months
Recorded period of effectiveness of fair value of derivatives on net income	12 months
Interest rate swap agreements liability
Derivative [Line Items]
LIBOR period	1 month
Weighted average fixed rate	2.81%	2.81%
LaPorte
Derivative [Line Items]
LIBOR period		1 month
Weighted average fixed rate		2.62%
Cash Flow Hedging
Derivative [Line Items]
Notional amount of interest	$ 12.0	$ 12.0
Cash Flow Hedging | Interest rate swap agreements liability
Derivative [Line Items]
Notional amount of interest	50.0	50.0
Cash Flow Hedging | LaPorte
Derivative [Line Items]
Notional amount of interest		10.0
Derivative in fair value hedging relationship
Derivative [Line Items]
Notional amount of interest	$ 478.2	$ 442.7