SCHEDULE I - CONDENSED FINANCIAL INFORMATION (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
ASSETS
TOTAL ASSETS	$ 805,692	$ 899,287
LIABILITIES AND STOCKHOLDERS' EQUITY
Other current liabilities	8,466	11,767
Total stockholders’ equity	326,445	364,313
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	805,692	899,287
Parent Company
ASSETS
Accounts receivable from subsidiary	107,420	104,244
Investment in subsidiaries	237,349	309,591
Claims for income tax refunds	313	196
Deferred income tax asset	22,943	(24)
TOTAL ASSETS	368,025	414,007
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable to subsidiaries	1,909	1,909
Other current liabilities	32,086	39,522
Total stockholders’ equity	334,030	372,576
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 368,025	$ 414,007