Note 7 - Contract Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

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

(in thousands)		June 30, 2021		December 31, 2020		June 30, 2020
Costs in excess of billings and estimated earnings	$	65,247	$	39,300	$	73,745
Contract retention		129,236		125,639		118,174
Total contract assets	$	194,483	$	164,939	$	191,919

(in thousands)		June 30, 2021		December 31, 2020		June 30, 2020
Billings in excess of costs and estimated earnings, net of retention	$	147,072	$	143,623	$	148,050
Provisions for losses		27,778		27,698		11,768
Total contract liabilities	$	174,850	$	171,321	$	159,818