Accrued Liabilities:

3 Months Ended

Mar. 31, 2019

Payables and Accruals [Abstract]

Accrued Liabilities

ACCRUED LIABILITIES

The following amounts by major classification are included in Accrued liabilities in the accompanying Condensed Consolidated Balance Sheets (in thousands) as of:

	March 31, 2019		December 31, 2018		March 31, 2018
Accrued employee compensation, benefits and withholdings	$	48,078	$	63,742	$	46,262
Accrued property taxes	43,662		42,510		42,912
Customer deposits and prepayments	39,125		43,574		35,748
Accrued interest and contract adjustment payments	35,149		31,759		30,426
CIAC current portion	1,485		1,485		1,552
Other (none of which is individually significant)	28,573		32,431		37,140
Total accrued liabilities	$	196,072	$	215,501	$	194,040