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Condensed Consolidating Financial Information - Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2016 | Jun. 30, 2015
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Cash provided by (used in) operating activities | $ (40,715) | $ (126,388)
Cash flows from investing activities |  |
Purchase of office facilities | (2,572) | (1,913)
Proceeds from sale of assets | 43,252 | 0
Cash provided by (used in) investing activities | 40,680 | (1,913)
Cash flows from financing activities |  |
Cash dividends paid on Class A non-voting and Class B voting common stock | (2,947) | (3,023)
Repurchase of Class A non-voting common stock for cancellation | (3,798) | 0
Tax deficiency from share-based awards | (747) | (270)
Other financing activities | 51,700 | 118,100
Cash flow provided by (used in) financing activities | 44,208 | 114,807
Net increase (decrease) in cash and cash equivalents | 44,173 | (13,494)
Cash and cash equivalents, beginning of period | 63,364 | 63,807
Cash and cash equivalents, end of period | 107,537 | 50,313
Class A Stock [Member] |  |
Cash flows from financing activities |  |
Repurchase of Class A non-voting common stock for cancellation | (3,798) |
Parent Company [Member] |  |
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Cash provided by (used in) operating activities | 7,191 | 2,883
Cash flows from investing activities |  |
Purchase of office facilities | 0 | 0
Proceeds from sale of assets | 0 |
Cash provided by (used in) investing activities | 0 | 0
Cash flows from financing activities |  |
Cash dividends paid on Class A non-voting and Class B voting common stock | (2,947) | (3,023)
Tax deficiency from share-based awards | (747) | (270)
Other financing activities | 0 | 0
Cash flow provided by (used in) financing activities | (7,492) | (3,293)
Net increase (decrease) in cash and cash equivalents | (301) | (410)
Cash and cash equivalents, beginning of period | 907 | 439
Cash and cash equivalents, end of period | 606 |
Parent Company [Member] | Class A Stock [Member] |  |
Cash flows from financing activities |  |
Repurchase of Class A non-voting common stock for cancellation | (3,798) |
Guarantor Subsidiaries [Member] |  |
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Cash provided by (used in) operating activities | (2,061) | 1,128
Cash flows from investing activities |  |
Purchase of office facilities | 0 | 0
Proceeds from sale of assets | 0 |
Cash provided by (used in) investing activities | 0 | 0
Cash flows from financing activities |  |
Cash dividends paid on Class A non-voting and Class B voting common stock | 0 | 0
Tax deficiency from share-based awards | 0 | 0
Other financing activities | 0 | 0
Cash flow provided by (used in) financing activities | 0 | 0
Net increase (decrease) in cash and cash equivalents | (2,061) | 1,128
Cash and cash equivalents, beginning of period | 2,586 | 1,557
Cash and cash equivalents, end of period | 525 |
Guarantor Subsidiaries [Member] | Class A Stock [Member] |  |
Cash flows from financing activities |  |
Repurchase of Class A non-voting common stock for cancellation | 0 |
Non-Guarantor Subsidiaries [Member] |  |
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Cash provided by (used in) operating activities | (45,845) | (130,399)
Cash flows from investing activities |  |
Purchase of office facilities | (2,572) | (1,913)
Proceeds from sale of assets | 43,252 |
Cash provided by (used in) investing activities | 40,680 | (1,913)
Cash flows from financing activities |  |
Cash dividends paid on Class A non-voting and Class B voting common stock | 0 | 0
Tax deficiency from share-based awards | 0 | 0
Other financing activities | 51,700 | 118,100
Cash flow provided by (used in) financing activities | 51,700 | 118,100
Net increase (decrease) in cash and cash equivalents | 46,535 | (14,212)
Cash and cash equivalents, beginning of period | 59,871 | 61,811
Cash and cash equivalents, end of period | 106,406 |
Non-Guarantor Subsidiaries [Member] | Class A Stock [Member] |  |
Cash flows from financing activities |  |
Repurchase of Class A non-voting common stock for cancellation | 0 |
Consolidation, Eliminations [Member] |  |
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Cash provided by (used in) operating activities | 0 | 0
Cash flows from investing activities |  |
Purchase of office facilities | 0 | 0
Proceeds from sale of assets | 0 |
Cash provided by (used in) investing activities | 0 | 0
Cash flows from financing activities |  |
Cash dividends paid on Class A non-voting and Class B voting common stock | 0 | 0
Tax deficiency from share-based awards | 0 | 0
Other financing activities | 0 | 0
Cash flow provided by (used in) financing activities | 0 | 0
Net increase (decrease) in cash and cash equivalents | 0 | 0
Cash and cash equivalents, beginning of period | 0 | $ 0
Cash and cash equivalents, end of period | 0 |
Consolidation, Eliminations [Member] | Class A Stock [Member] |  |
Cash flows from financing activities |  |
Repurchase of Class A non-voting common stock for cancellation | $ 0 |

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