Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 338,232	$ 292,656
Receivables, net	110,053	115,446
Inventories	80,544	70,941
Prepaid expenses and other current assets	5,474	6,130
Total current assets	534,303	485,173
Restricted cash	781	781
Property, plant and equipment, net	167,803	162,232
Deferred income taxes	52	1,311
Other assets	373	853
Total assets	703,312	650,350
Current liabilities:
Current maturities of long-term debt	3,960	3,960
Accounts payable	40,266	35,238
Other current liabilities	63,288	59,629
Total current liabilities	107,514	98,827
Long-term debt	378,187	379,177
Deferred income taxes	13,885	12,660
Other long-term liabilities	11,152	13,348
Total liabilities	510,738	504,012
Commitments and contingencies
Stockholders’ equity:
Preferred stock; $0.01 par value; 150,000,000 shares authorized; none issued or outstanding at March 31, 2017 and December 31, 2016	0	0
Common stock, voting; $0.01 par value; 1,500,000,000 shares authorized; 196,812,039 and 196,524,010 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively	1,968	1,965
Additional paid-in capital	74,133	71,420
Retained earnings	116,782	72,692
Accumulated other comprehensive (loss) income	(309)	261
Total stockholders’ equity	192,574	146,338
Total liabilities and stockholders’ equity	$ 703,312	$ 650,350