Note 7 - Contract Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

(in thousands)		March 31, 2021		December 31, 2020		March 31, 2020
Costs in excess of billings and estimated earnings	$	59,055	$	39,300	$	114,378
Contract retention		126,165		125,639		112,140
Total contract assets	$	185,220	$	164,939	$	226,518

(in thousands)		March 31, 2021		December 31, 2020		March 31, 2020
Billings in excess of costs and estimated earnings, net of retention	$	132,830	$	143,623	$	127,560
Provisions for losses		27,319		27,698		6,251
Total contract liabilities	$	160,149	$	171,321	$	133,811