Summary of Significant Accounting Policies (Principles of Consolidation) - Additional Information (Detail) |
Mar. 31, 2017 |
|---|---|
| Minimum [Member] | |
| Summary Of Significant Accounting Policies [Line Items] | |
| Equity method investment ownership | 20.00% |
| Maximum [Member] | |
| Summary Of Significant Accounting Policies [Line Items] | |
| Equity method investment ownership | 50.00% |
| X | ||||||||||
- Definition Summary Of Significant Accounting Policies [Line Items] No definition available.
|
| X | ||||||||||
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|