Derivative Instruments - Additional Information (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) derivativeContract	Dec. 31, 2020 USD ($) derivativeContract
Derivative [Line Items]
Maximum length of time of cash flow hedge	39 months
Gain (loss) to be reclassified	$ 2,500,000
Forward Starting Interest Rate Swaps
Derivative [Line Items]
Number of swap agreements | derivativeContract	1	4
Derivative, notional amount	$ 50,000,000	$ 200,000,000
Settlement resulted in a gain	$ 600,000
Gain and loss on settlement of interest rate swap agreement, amortization period	10 years	10 years
Settlement resulted in a loss		$ 19,900,000
Interest rate swaps
Derivative [Line Items]
Number of terminated derivatives | derivativeContract	2
Credit Risk Contract
Derivative [Line Items]
Assets needed for immediate settlement, aggregate fair value	$ 5,000,000
Unsecured Debt | $300 Million 2021 Senior Notes
Derivative [Line Items]
Face amount of facility	300,000,000
Unsecured Debt | $300 Million Unsecured Senior Notes due 2030
Derivative [Line Items]
Face amount of facility		$ 300,000,000
Unsecured Debt | $250 Million Unsecured 2018 Term Loan
Derivative [Line Items]
Derivative, notional amount	100,000,000
Face amount of facility	250,000,000
Amount of hedged debt	$ 100,000,000
Unsecured Debt | $250 Million Unsecured 2018 Term Loan | Interest rate swaps
Derivative [Line Items]
Number of swap agreements | derivativeContract	2
Derivative, notional amount	$ 100,000,000