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Condensed Consolidating Financial Statements - Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Condensed Cash Flow Statements, Captions [Line Items] |  |
Cash flows from operating activities | $ 17,887 | $ (19,322)
Cash flows from investing activities |  |
Capital expenditures for property and equipment | (3,687) | (5,080)
Proceeds from sale of business, property and equipment | 134 | 5,074
Long-term loans and advances to affiliates | 0 | 0
Net cash used in investing activities | (3,553) | (6)
Cash flows from financing activities |  |
Borrowings of debt | 20,000 | 0
Repayments of debt | (51,063) | (50,729)
Repurchases of stock | (973) | (1,946)
Long-term loans and advances (to) from affiliates | 0 | 0
Dividend paid to affiliates |  | 0
Net cash used in financing activities | (32,036) | (52,675)
Effect of exchange rate changes on cash | 155 | (873)
Net decrease in cash, cash equivalents and restricted cash | (17,547) | (72,876)
Cash, cash equivalents and restricted cash at beginning of period | 47,241 | 115,216
Cash, cash equivalents and restricted cash at end of period | 29,694 | 42,340
Reportable Legal Entities | FET (Parent) |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Cash flows from operating activities | 3,037 | 7,196
Cash flows from investing activities |  |
Capital expenditures for property and equipment | 0 | 0
Proceeds from sale of business, property and equipment | 0 | 0
Long-term loans and advances to affiliates | 27,936 | 45,234
Net cash used in investing activities | 27,936 | 45,234
Cash flows from financing activities |  |
Borrowings of debt | 20,000 |
Repayments of debt | (50,000) | (50,000)
Repurchases of stock | (973) | (1,946)
Long-term loans and advances (to) from affiliates | 0 | 0
Dividend paid to affiliates |  | 0
Net cash used in financing activities | (30,973) | (51,946)
Effect of exchange rate changes on cash | 0 | 0
Net decrease in cash, cash equivalents and restricted cash | 0 | 484
Cash, cash equivalents and restricted cash at beginning of period | 0 | 0
Cash, cash equivalents and restricted cash at end of period | 0 | 484
Reportable Legal Entities | Guarantor Subsidiaries |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Cash flows from operating activities | 18,284 | 3,050
Cash flows from investing activities |  |
Capital expenditures for property and equipment | (3,294) | (3,944)
Proceeds from sale of business, property and equipment | 134 | 785
Long-term loans and advances to affiliates | 799 | 0
Net cash used in investing activities | (2,361) | (3,159)
Cash flows from financing activities |  |
Borrowings of debt | 0 |
Repayments of debt | (1,063) | (692)
Repurchases of stock | 0 | 0
Long-term loans and advances (to) from affiliates | (27,936) | (45,234)
Dividend paid to affiliates |  | 0
Net cash used in financing activities | (28,999) | (45,926)
Effect of exchange rate changes on cash | 0 | 0
Net decrease in cash, cash equivalents and restricted cash | (13,076) | (46,035)
Cash, cash equivalents and restricted cash at beginning of period | 24,977 | 73,981
Cash, cash equivalents and restricted cash at end of period | 11,901 | 27,946
Reportable Legal Entities | Non-Guarantor Subsidiaries |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Cash flows from operating activities | (3,434) | (5,618)
Cash flows from investing activities |  |
Capital expenditures for property and equipment | (393) | (1,136)
Proceeds from sale of business, property and equipment | 0 | 4,289
Long-term loans and advances to affiliates | 0 | 0
Net cash used in investing activities | (393) | 3,153
Cash flows from financing activities |  |
Borrowings of debt | 0 |
Repayments of debt | 0 | (37)
Repurchases of stock | 0 | 0
Long-term loans and advances (to) from affiliates | (799) | 0
Dividend paid to affiliates |  | (23,950)
Net cash used in financing activities | (799) | (23,987)
Effect of exchange rate changes on cash | 155 | (873)
Net decrease in cash, cash equivalents and restricted cash | (4,471) | (27,325)
Cash, cash equivalents and restricted cash at beginning of period | 22,264 | 41,235
Cash, cash equivalents and restricted cash at end of period | 17,793 | 13,910
Eliminations |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Cash flows from operating activities | 0 | (23,950)
Cash flows from investing activities |  |
Capital expenditures for property and equipment | 0 | 0
Proceeds from sale of business, property and equipment | 0 | 0
Long-term loans and advances to affiliates | (28,735) | (45,234)
Net cash used in investing activities | (28,735) | (45,234)
Cash flows from financing activities |  |
Borrowings of debt | 0 |
Repayments of debt | 0 | 0
Repurchases of stock | 0 | 0
Long-term loans and advances (to) from affiliates | 28,735 | 45,234
Dividend paid to affiliates |  | 23,950
Net cash used in financing activities | 28,735 | 69,184
Effect of exchange rate changes on cash | 0 | 0
Net decrease in cash, cash equivalents and restricted cash | 0 | 0
Cash, cash equivalents and restricted cash at beginning of period | 0 | 0
Cash, cash equivalents and restricted cash at end of period | $ 0 | $ 0

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