Schedule II - Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2018

Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation And Qualifying Accounts

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

(Dollars in thousands)

Description	Balance at the Beginning of the Period		Charged to Revenue, Cost or Expense		Deduction		Balance at the End of the Period
Year ended December 31, 2016
Provision for doubtful accounts	$	—	$	—	$	—	$	—
Reserve for losses on uncompleted contracts	$	—	$	—	$	—	$	—
Year ended December 31, 2017
Provision for doubtful accounts	$	—	$	—	$	—	$	—
Reserve for losses on uncompleted contracts	$	—	$	—	$	—	$	—
Year ended December 31, 2018
Provision for doubtful accounts	$	—	$	4,280	$	—	$	4,280
Reserve for losses on uncompleted contracts	$	—	$	22,770	$	—	$	22,770