Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
OPERATING ACTIVITIES:
Net income	$ 43,111	$ 28,697
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	21,175	22,128
Deferred income taxes	13,308	9,654
Gain on sale of assets	(460)	(2,821)
Amortization of capitalized contract costs	9,236	8,394
Amortization of deferred financing fees	1,761	874
Share-based compensation expense	5,308	2,563
Changes in assets and liabilities:
Accounts receivable	6,943	(1,469)
Contract revenues in excess of billings	15,015	(1,774)
Inventories	(1,612)	1,380
Prepaid expenses and other current assets	(5)	(767)
Accounts payable and accrued expenses	(8,391)	(1,581)
Billings in excess of contract revenues	2,960	(8,986)
Other noncurrent assets and liabilities	9,422	517
Cash provided by operating activities	117,771	56,809
INVESTING ACTIVITIES:
Purchases of property and equipment	(81,839)	(64,263)
Proceeds from dispositions of property and equipment	532	9,033
Cash used in investing activities	(81,307)	(55,230)
FINANCING ACTIVITIES:
Deferred financing fees	(601)	(11,261)
Taxes paid on settlement of vested share awards	(1,080)	(970)
Exercise of options and purchases from employee stock plans	564	1,013
Borrowings under revolving loans	80,000	16,000
Borrowings under Second Lien Credit Agreement		100,000
Repayments of revolving loans	(110,000)	(106,000)
Repurchases of common stock	(11,594)
Payments on finance lease obligations	(1,044)	(988)
Cash used in financing activities	(43,755)	(2,206)
Net decrease in cash, cash equivalents and restricted cash	(7,291)	(627)
Cash, cash equivalents and restricted cash at beginning of period	10,216	23,761
Cash, cash equivalents and restricted cash at end of period	2,925	23,134
Supplemental Cash Flow Information
Cash paid for interest	16,129	13,803
Cash paid for income taxes	2,239	1,471
Non-cash Investing and Financing Activities
Property and equipment purchased but not yet paid	$ 7,356	$ 3,212