Goodwill and Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Identifiable Intangible Assets
Identifiable intangible assets consist of the following:
September 30, 2022December 31, 2021
(In thousands)Gross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying Amount
Contract backlogs$441,300 $(39,621)$401,679 $77,300 $(14,988)$62,312 
Customer contracts165,200 (7,353)157,847 7,200 (3,572)3,628 
Trade names and other1,249 (790)459 1,249 (607)642 
Balance$607,749 $(47,764)$559,985 $85,749 $(19,167)$66,582 
Schedule of Amortization Expense
Future estimated amortization expense is as follows (in thousands):
PeriodAmortization
2022 (remainder of the year) $25,165 
2023$100,661 
2024$99,554 
2025$98,757 
2026$98,286 
After 2026$137,562