Summary of Quantitative Inputs and Assumptions for Items Categorized in Level III of Fair Value Hierarchy (Detail) - USD ($)
$ in Thousands |
9 Months Ended |
12 Months Ended |
Sep. 30, 2015 |
Dec. 31, 2014 |
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 4,012,678
|
$ 6,760,099
|
| Fair value liabilities |
|
3,355,608
|
6,797,104
|
| Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
1,165,408
|
$ 2,624,605
|
| Discounted Cash Flows | Liabilities of Consolidated CLO Vehicles |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Default Rate |
|
|
2.00%
|
| Pre-payment Rate |
|
|
20.00%
|
| Recovery Lag |
|
|
12 months
|
| Discounted Cash Flows | Liabilities of Consolidated CLO Vehicles | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value liabilities |
|
|
$ 6,797,104
|
| Discounted Cash Flows | LIBOR | Liabilities of Consolidated CLO Vehicles |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Reinvestment Rate |
|
|
4.00%
|
| Discounted Cash Flows | Loans and Receivables | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 158,180
|
$ 26,247
|
| Discounted Cash Flows | Weighted Average | Liabilities of Consolidated CLO Vehicles |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
[1] |
|
2.30%
|
| Recovery Rate |
[1] |
|
66.00%
|
| Discounted Cash Flows | Weighted Average | Loans and Receivables |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
[1] |
12.30%
|
10.90%
|
| Discounted Cash Flows | Minimum | Liabilities of Consolidated CLO Vehicles |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
|
0.30%
|
| Recovery Rate |
|
|
30.00%
|
| Discounted Cash Flows | Minimum | Loans and Receivables |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
11.90%
|
10.50%
|
| Discounted Cash Flows | Maximum | Liabilities of Consolidated CLO Vehicles |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
|
19.30%
|
| Recovery Rate |
|
|
70.00%
|
| Discounted Cash Flows | Maximum | Loans and Receivables |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
16.00%
|
12.20%
|
| Transaction Price Valuation Technique | Loans and Receivables | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 21,075
|
$ 14,150
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
|
1.00%
|
| Pre-payment Rate |
|
|
30.00%
|
| Recovery Lag |
|
12 months
|
12 months
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 34,376
|
$ 26,167
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | LIBOR |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Reinvestment Rate |
|
|
4.50%
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Weighted Average |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
[1] |
7.50%
|
7.20%
|
| Default Rate |
[1] |
1.90%
|
|
| Recovery Rate |
[1] |
66.60%
|
66.00%
|
| Reinvestment Rate |
[1] |
3.96%
|
|
| Pre-payment Rate |
[1] |
25.40%
|
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Minimum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
5.80%
|
5.80%
|
| Default Rate |
|
1.10%
|
|
| Recovery Rate |
|
30.00%
|
30.00%
|
| Pre-payment Rate |
|
20.00%
|
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Minimum | LIBOR |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Reinvestment Rate |
|
3.50%
|
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Maximum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
13.00%
|
10.00%
|
| Default Rate |
|
2.00%
|
|
| Recovery Rate |
|
70.00%
|
70.00%
|
| Pre-payment Rate |
|
30.00%
|
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Maximum | LIBOR |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Reinvestment Rate |
|
4.00%
|
|
| Blackstone's Treasury Cash Management Strategies | Transaction Price Valuation Technique | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
|
$ 4,470
|
| Blackstone's Treasury Cash Management Strategies | Third Party Pricing Valuation Technique | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 10,217
|
$ 54,257
|
| Other | Discounted Cash Flows |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Default Rate |
|
2.00%
|
|
| Recovery Rate |
|
70.00%
|
|
| Pre-payment Rate |
|
20.00%
|
20.00%
|
| Recovery Lag |
|
12 months
|
12 months
|
| Other | Discounted Cash Flows | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 85,404
|
$ 92,604
|
| Other | Discounted Cash Flows | LIBOR |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Reinvestment Rate |
|
4.00%
|
4.00%
|
| Other | Discounted Cash Flows | Weighted Average |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
[1] |
3.10%
|
2.90%
|
| Recovery Rate |
[1] |
|
66.00%
|
| Other | Discounted Cash Flows | Minimum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
1.40%
|
1.30%
|
| Default Rate |
|
|
2.00%
|
| Recovery Rate |
|
|
30.00%
|
| Other | Discounted Cash Flows | Maximum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
12.50%
|
12.50%
|
| Recovery Rate |
|
|
70.00%
|
| Other | Market Comparable Companies |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
|
7.0
|
|
| Other | Market Comparable Companies | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 453
|
|
| Other | Transaction Price Valuation Technique | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
17,847
|
$ 11,887
|
| Investments Of Consolidated Blackstone Funds | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
837,856
|
2,394,823
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Discounted Cash Flows | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 70,957
|
$ 106,727
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Discounted Cash Flows | Weighted Average |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
[1] |
13.20%
|
11.80%
|
| Revenue CAGR |
[1] |
8.10%
|
7.10%
|
| Exit Multiple - EBITDA |
[1] |
9.6
|
10.1
|
| Exit Multiple - P/E |
[1] |
11.0
|
11.2
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Discounted Cash Flows | Minimum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
7.80%
|
8.40%
|
| Revenue CAGR |
|
(5.00%)
|
0.70%
|
| Exit Multiple - EBITDA |
|
5
|
5.0
|
| Exit Multiple - P/E |
|
10.5
|
10.5
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Discounted Cash Flows | Maximum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
25.00%
|
24.70%
|
| Revenue CAGR |
|
60.60%
|
24.40%
|
| Exit Multiple - EBITDA |
|
18.2
|
13.0
|
| Exit Multiple - P/E |
|
17.0
|
17.0
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Market Comparable Companies | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 166
|
$ 163
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Market Comparable Companies | Weighted Average |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
[1] |
6.8
|
6.9
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Market Comparable Companies | Minimum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
|
6.7
|
6.7
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Market Comparable Companies | Maximum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
|
7.3
|
7.6
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Transaction Price Valuation Technique | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 15,683
|
$ 67,706
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Third Party Pricing Valuation Technique | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
58
|
45
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Other | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
5,447
|
4,670
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 465,131
|
$ 485,748
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows | Weighted Average |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
[1] |
9.40%
|
9.50%
|
| Revenue CAGR |
[1] |
8.00%
|
6.50%
|
| Exit Multiple - EBITDA |
[1] |
10.5
|
9.7
|
| Exit Capitalization Rate |
[1] |
6.30%
|
6.80%
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows | Minimum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
4.40%
|
4.40%
|
| Revenue CAGR |
|
(5.80%)
|
(4.40%)
|
| Exit Multiple - EBITDA |
|
0.2
|
1.0
|
| Exit Capitalization Rate |
|
2.60%
|
2.00%
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows | Maximum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
25.70%
|
21.50%
|
| Revenue CAGR |
|
35.60%
|
41.70%
|
| Exit Multiple - EBITDA |
|
23.3
|
19.1
|
| Exit Capitalization Rate |
|
10.50%
|
19.10%
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Market Comparable Companies |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
|
0.4
|
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Market Comparable Companies | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 306
|
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Transaction Price Valuation Technique | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
28,185
|
$ 996,199
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Third Party Pricing Valuation Technique | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
12,410
|
13,793
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Other | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
1,907
|
$ 682
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Default Rate |
|
|
2.00%
|
| Pre-payment Rate |
|
|
2000.00%
|
| Recovery Lag |
|
|
12 months
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 9,994
|
$ 9,570
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | LIBOR |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Reinvestment Rate |
|
|
4.00%
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Weighted Average |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
[1] |
14.50%
|
16.10%
|
| Recovery Rate |
[1] |
|
66.00%
|
| Revenue CAGR |
[1] |
16.30%
|
5.00%
|
| Exit Multiple - EBITDA |
[1] |
10.4
|
11
|
| Exit Capitalization Rate |
[1] |
2.20%
|
9.30%
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Minimum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
6.50%
|
8.80%
|
| Recovery Rate |
|
|
30.00%
|
| Revenue CAGR |
|
7.20%
|
4.70%
|
| Exit Multiple - EBITDA |
|
6.3
|
5.9
|
| Exit Capitalization Rate |
|
1.00%
|
1.00%
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Maximum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
37.10%
|
24.70%
|
| Recovery Rate |
|
|
70.00%
|
| Revenue CAGR |
|
20.00%
|
6.80%
|
| Exit Multiple - EBITDA |
|
12.0
|
11.3
|
| Exit Capitalization Rate |
|
4.80%
|
12.40%
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
|
6.4
|
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 265
|
$ 172
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Weighted Average |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
[1] |
|
6.6
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Minimum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
|
|
6.6
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Maximum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
|
|
7.9
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Transaction Price Valuation Technique | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
2,043
|
$ 686
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Third Party Pricing Valuation Technique | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
19,742
|
$ 95,542
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Discounted Cash Flows |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Discount Rate |
|
|
8.00%
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Discounted Cash Flows | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
|
$ 3,826
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 84,872
|
$ 290,658
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Weighted Average |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
[1] |
6.1
|
6.1
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Minimum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
|
3.7
|
3.8
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Maximum |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| EBITDA Multiple |
|
9.0
|
15
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Third Party Pricing Valuation Technique | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 120,373
|
$ 318,636
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Other | Level 3 |
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
| Fair value assets |
|
$ 317
|
|
|
|