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Guarantor and Nonguarantor Financial Statements - Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2016 | Jun. 30, 2015
Condensed Cash Flow Statements, Captions [Line Items] |  |
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES: | $ (210,017) | $ (42,191)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Capital expenditures | (79,058) | (50,388)
Acquisition of GWS, including net assets acquired, intangibles and goodwill | (21,900) |
Acquisition of businesses (other than GWS), including net assets acquired, intangibles and goodwill, net of cash acquired | (16,569) | (94,975)
Contributions to unconsolidated subsidiaries | (27,431) | (27,571)
Distributions from unconsolidated subsidiaries | 93,912 | 27,269
Proceeds from the sale of servicing rights and other assets | 15,071 | 12,615
Decrease (increase) in restricted cash | (478) | (38,678)
Purchase of available for sale securities | (23,984) | (23,453)
Proceeds from the sale of available for sale securities | 22,061 | 24,563
Other investing activities, net | (1,142) | (219)
Net cash provided by (used in) investing activities | (39,518) | (170,837)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Proceeds from senior term loans |  | 500,000
Repayment of senior term loans | (14,375) | (648,738)
Proceeds from revolving credit facility | 1,356,000 | 831,000
Repayment of revolving credit facility | (1,200,000) | (835,512)
Proceeds from notes payable on real estate held for sale and under development | 13,315 | 4,404
Repayment of notes payable on real estate held for sale and under development | (4,102) |
Proceeds from short-term borrowings, net |  | 569
(Repayment of) proceeds from short-term borrowings and other loans, net | (447) | 569
Shares repurchased for payment of taxes on equity awards | (5,112) | (5,113)
Proceeds from exercise of stock options | 814 | 3,214
Non-controlling interest contributions | 821 | 4,405
Non-controlling interest distributions | (3,517) | (10,637)
Payment of financing costs | (5,529) | (22,225)
Other financing activities, net | 3,620 | (1,836)
Net cash (used in) provided by financing activities | 141,488 | (180,469)
Effect of currency exchange rate changes on cash and cash equivalents | (588) | (10,965)
NET DECREASE IN CASH AND CASH EQUIVALENTS | (108,635) | (404,462)
CASH AND CASH EQUIVALENTS, AT BEGINNING OF PERIOD | 540,403 | 740,884
CASH AND CASH EQUIVALENTS, AT END OF PERIOD | 431,768 | 336,422
Cash paid during the period for: |  |
Interest | 63,420 | 43,123
Income taxes, net | 160,353 | 148,011
Parent [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES: | 57,811 | 23,264
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Shares repurchased for payment of taxes on equity awards | (5,112) | (5,113)
Proceeds from exercise of stock options | 814 | 3,214
(Increase) decrease in intercompany receivables, net | (53,774) | (22,443)
Other financing activities, net | 260 | 1,078
Net cash (used in) provided by financing activities | (57,812) | (23,264)
NET DECREASE IN CASH AND CASH EQUIVALENTS | (1) |
CASH AND CASH EQUIVALENTS, AT BEGINNING OF PERIOD | 5 | 5
CASH AND CASH EQUIVALENTS, AT END OF PERIOD | 4 | 5
CBRE [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES: | 9,377 | (4,978)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Proceeds from senior term loans |  | 500,000
Repayment of senior term loans | (14,375) | (648,738)
Proceeds from revolving credit facility | 1,356,000 | 831,000
Repayment of revolving credit facility | (1,200,000) | (831,000)
Payment of financing costs | (5,419) | (22,225)
(Increase) decrease in intercompany receivables, net | (147,900) | 172,720
Net cash (used in) provided by financing activities | (11,694) | 1,757
NET DECREASE IN CASH AND CASH EQUIVALENTS | (2,317) | (3,221)
CASH AND CASH EQUIVALENTS, AT BEGINNING OF PERIOD | 8,479 | 18,262
CASH AND CASH EQUIVALENTS, AT END OF PERIOD | 6,162 | 15,041
Cash paid during the period for: |  |
Interest | 62,083 | 42,137
Guarantor Subsidiaries [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES: | (192,950) | (6,437)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Capital expenditures | (51,510) | (25,039)
Acquisition of GWS, including net assets acquired, intangibles and goodwill | (21,900) |
Acquisition of businesses (other than GWS), including net assets acquired, intangibles and goodwill, net of cash acquired | (1,381) | (91,413)
Contributions to unconsolidated subsidiaries | (21,549) | (26,662)
Distributions from unconsolidated subsidiaries | 91,421 | 25,060
Proceeds from the sale of servicing rights and other assets | 7,820 | 5,439
Decrease (increase) in restricted cash | 3,250 | (520)
Purchase of available for sale securities | (23,984) | (23,453)
Proceeds from the sale of available for sale securities | 22,061 | 24,563
Other investing activities, net | (1,132) | 1,192
Net cash provided by (used in) investing activities | 3,096 | (110,833)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
(Increase) decrease in intercompany receivables, net | 110,453 | (198,173)
Other financing activities, net | (1,173) | (2,113)
Net cash (used in) provided by financing activities | 109,280 | (200,286)
NET DECREASE IN CASH AND CASH EQUIVALENTS | (80,574) | (317,556)
CASH AND CASH EQUIVALENTS, AT BEGINNING OF PERIOD | 147,410 | 374,103
CASH AND CASH EQUIVALENTS, AT END OF PERIOD | 66,836 | 56,547
Cash paid during the period for: |  |
Interest |  | 83
Income taxes, net | 107,070 | 87,405
Nonguarantor Subsidiaries [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES: | (84,255) | (54,040)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Capital expenditures | (27,548) | (25,349)
Acquisition of businesses (other than GWS), including net assets acquired, intangibles and goodwill, net of cash acquired | (15,188) | (3,562)
Contributions to unconsolidated subsidiaries | (5,882) | (909)
Distributions from unconsolidated subsidiaries | 2,491 | 2,209
Proceeds from the sale of servicing rights and other assets | 7,251 | 7,176
Decrease (increase) in restricted cash | (3,728) | (38,158)
Other investing activities, net | (10) | (1,411)
Net cash provided by (used in) investing activities | (42,614) | (60,004)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Repayment of revolving credit facility |  | (4,512)
Proceeds from notes payable on real estate held for sale and under development | 13,315 | 4,404
Repayment of notes payable on real estate held for sale and under development | (4,102) |
Proceeds from short-term borrowings, net |  | 569
(Repayment of) proceeds from short-term borrowings and other loans, net | (447) |
Non-controlling interest contributions | 821 | 4,405
Non-controlling interest distributions | (3,517) | (10,637)
Payment of financing costs | (110) |
(Increase) decrease in intercompany receivables, net | 91,221 | 47,896
Other financing activities, net | 4,533 | (801)
Net cash (used in) provided by financing activities | 101,714 | 41,324
Effect of currency exchange rate changes on cash and cash equivalents | (588) | (10,965)
NET DECREASE IN CASH AND CASH EQUIVALENTS | (25,743) | (83,685)
CASH AND CASH EQUIVALENTS, AT BEGINNING OF PERIOD | 384,509 | 348,514
CASH AND CASH EQUIVALENTS, AT END OF PERIOD | 358,766 | 264,829
Cash paid during the period for: |  |
Interest | 1,337 | 903
Income taxes, net | $ 53,283 | $ 60,606

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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3098-108585 + Details
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- Definition Amount of cash inflow (outflow) from long-term debt by a related party. Related parties, include, but are not limited to, affiliates, owners or officers and their immediate families, and pension trusts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3098-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the sale of servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. Rights may be obtained via (1) acquisition or assumption of a servicing obligation that does not relate to financial assets of the servicer or its consolidated affiliates; or (2) by originating mortgage loans and then (a) transferring the loans to a Variable Interest Entity (VIE) in a transaction that meets the necessary transfer and classification requirements, or (b) transferring the loans in a transaction that meets the requirements for sale accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7524895&loc=d3e120260-111741 + Details
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- Definition The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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