v3.4.0.3

Condensed Consolidating Financial Information - Guarantor Subsidiaries - Condensed Consolidating Statements of Cash Flows (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash (used in) provided by operating activities |  | $ (16,343) | $ 29,918
Investing activities: |  |  |
Purchase of property and equipment |  | (8,519) | (22,115)
Proceeds from asset dispositions |  | 850 |
Purchase of short-term investments |  | (77,677) | (190,243)
Proceeds from sale of short-term investments |  | 76,184 | 185,426
Payments of deposits on aircraft |  | (66) | (66)
Net cash used in investing activities |  | (9,228) | (26,998)
Financing activities: |  |  |
Proceeds from line of credit |  | 83,500 | 77,740
Payments on line of credit |  | (53,300) | (81,100)
Repurchase of common stock |  | (500) | (2,207)
Net cash provided by (used in) financing activities |  | 29,700 | (5,567)
Increase (decrease) in cash |  | 4,129 | (2,647)
Cash, beginning of period |  | 2,407 | 6,270
Cash, end of period |  | 6,536 | 3,623
Parent Company Only (issuer) [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash (used in) provided by operating activities |  | (13,795) | 4,637
Investing activities: |  |  |
Purchase of property and equipment |  | (8,519) | (22,115)
Proceeds from asset dispositions |  | 850 |
Purchase of short-term investments |  | (77,677) | (190,243)
Proceeds from sale of short-term investments |  | 76,184 | 185,426
Payments of deposits on aircraft |  | (66) | (66)
Net cash used in investing activities |  | (9,228) | (26,998)
Financing activities: |  |  |
Proceeds from line of credit |  | 83,500 | 77,740
Payments on line of credit |  | (53,300) | (81,100)
Repurchase of common stock |  | (500) | (2,207)
Due to/from affiliate, net |  | (6,600) | 27,928
Net cash provided by (used in) financing activities |  | 23,100 | 22,361
Increase (decrease) in cash |  | 77 |
Cash, beginning of period |  | 46 | 51
Cash, end of period |  | 123 | 51
Guarantor Subsidiaries [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash (used in) provided by operating activities | [1] | (2,548) | 25,281
Financing activities: |  |  |
Due to/from affiliate, net | [1] | 6,600 | (27,928)
Net cash provided by (used in) financing activities | [1] | 6,600 | (27,928)
Increase (decrease) in cash | [1] | 4,052 | (2,647)
Cash, beginning of period | [1] | 2,361 | 6,219
Cash, end of period | [1] | $ 6,413 | $ 3,572
[1] | Foreign subsidiaries represent minor subsidiaries and are included in the guarantor subsidiaries' amounts.

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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