Debt - Credit Facility - Additional Information (Details)		6 Months Ended
	Jun. 30, 2021 USD ($) Agreement	Jun. 30, 2021 USD ($) Agreement	Dec. 31, 2020 USD ($)
Line Of Credit Facility [Line Items]
Outstanding debt	$ 385,598,000	$ 385,598,000	$ 466,706,000
Loss on extinguishment of debt		$ 18,237,000
Interest Rate Swap Agreements
Line Of Credit Facility [Line Items]
Number of agreements held for maturity | Agreement	8	8
Derivative maturity month and year	2024-05
Interest Rate Swap Agreements | LIBOR
Line Of Credit Facility [Line Items]
Derivative, fixed interest rate	2.20%	2.20%
Eight Interest Rate Swaps
Line Of Credit Facility [Line Items]
Derivative, notional amount	$ 700,000,000.0	$ 700,000,000.0
Eight Interest Rate Swaps | Hedges
Line Of Credit Facility [Line Items]
Derivative, notional amount	388,900,000	$ 388,900,000
Description of interest rate swaps on derivatives		we concluded that five of the eight interest rate swaps no longer qualified for hedge accounting treatment, and we de-designated these derivatives.
Revolving Credit Facility
Line Of Credit Facility [Line Items]
Available borrowing capacity	$ 99,500,000	$ 99,500,000
Credit Agreement
Line Of Credit Facility [Line Items]
Initiation date	Jun. 30, 2021
Outstanding debt	$ 385,600,000	385,600,000
Loss on extinguishment of debt	18,200,000
Loss on modification of debt	$ 800,000
Credit Agreement | Federal Funds Rate
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
Credit Agreement | One-Month LIBOR
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Credit Agreement | Minimum
Line Of Credit Facility [Line Items]
Unused commitment fee percentage	0.25%
Credit Agreement | Minimum | LIBOR
Line Of Credit Facility [Line Items]
Variable rate basis	0.00%
Credit Agreement | Minimum | Base Rate
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Credit Agreement | Maximum
Line Of Credit Facility [Line Items]
Unused commitment fee percentage	0.375%
Credit Agreement | Revolving Credit Facility
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	$ 100,000,000.0	100,000,000.0
Credit Agreement | Revolving Credit Facility | Minimum | LIBOR
Line Of Credit Facility [Line Items]
Margin rate	3.75%
Credit Agreement | Revolving Credit Facility | Minimum | Base Rate
Line Of Credit Facility [Line Items]
Margin rate	2.75%
Credit Agreement | Revolving Credit Facility | Maximum | LIBOR
Line Of Credit Facility [Line Items]
Margin rate	4.25%
Credit Agreement | Revolving Credit Facility | Maximum | Base Rate
Line Of Credit Facility [Line Items]
Margin rate	3.25%
Credit Agreement | Prior Credit Agreement
Line Of Credit Facility [Line Items]
Initiation date	Mar. 08, 2019
Credit Agreement | Swingline Sub Facility
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	$ 30,000,000.0	$ 30,000,000.0
Maturity date		Jun. 30, 2026
Credit Agreement | Letters of Credit Sub Facility
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	40,000,000.0	$ 40,000,000.0
Credit Agreement | Term Loan Facility B
Line Of Credit Facility [Line Items]
Debt instrument, face amount	$ 400,000,000.0	$ 400,000,000.0
Periodic principal payment as percentage of aggregate principal amount	0.25%
Maturity date		Jun. 30, 2028
Credit Agreement | Term Loan Facility B | LIBOR
Line Of Credit Facility [Line Items]
Margin rate	4.25%
Credit Agreement | Term Loan Facility B | Base Rate
Line Of Credit Facility [Line Items]
Margin rate	3.25%
Credit Agreement | Uncommitted Incremental Accordion Facility | Minimum
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	$ 167,500,000	$ 167,500,000
Percentage of consolidated EBITDA requirement	100.00%