Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Summary of Items Measured at Fair Value

The following tables categorize items measured at fair value as of March 31, 2022 and December 31, 2021:

			Fair Value Measurement at Reporting Date Using
March 31, 2022			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(Dollars in thousands)
Assets
Derivative contracts	$	26,154	$	—	$	26,154	$	—
Total	$	26,154	$	—	$	26,154	$	—
Liabilities					.
Derivative contracts	$	17,002	$	—	$	17,002	$	—
Total	$	17,002	$	—	$	17,002	$	—

			Fair Value Measurement at Reporting Date Using
December 31, 2021			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(Dollars in thousands)
Assets
Derivative contracts	$	10,362	$	—	$	10,362	$	—
Total	$	10,362	$	—	$	10,362	$	—
Liabilities					.
Derivative contracts	$	19,711	$	—	$	19,711	$	—
Total	$	19,711	$	—	$	19,711	$	—

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The estimated fair value, as well as the carrying value, of the Company’s debt instruments are shown below:

	March 31, 2022		December 31, 2021
(Dollars in thousands)
Estimated aggregate fair value	$	594,746	$	605,874
Aggregate carrying value (1)		610,913		616,215

^{(1) Total debt excluding the impact of unamortized debt issuance costs.}