Note 1 - General and Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Cash and Cash Equivalents [Table Text Block]

	September 30,		December 31,		September 30,
	2019		2018		2018
	(Dollars in thousands)
Cash and cash equivalents	$	97,602	$	98,802	$	71,965
Restricted cash and cash equivalents		82,435		78,693		83,101
Total Cash and cash equivalents and restricted cash and cash equivalents	$	180,037	$	177,495	$	155,066

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

	September 30,			December 31,
	2019			2018
	(Dollars in thousands)
Contract assets (*)	$	43,125		$	42,130
Contract liabilities (*)		(6,003	)		(18,402	)
Contract assets, net	$	37,122		$	23,728