| Line |
Label |
Object Class |
Period Type |
Balance |
Report ElementName |
| 1 |
8140 - Disclosure - Investments Subclassifications (Level 4 Detail) |
Network |
* |
* |
http://www.xbrlsite.com/nfp/role/level4/InvestmentsSubclassifications |
| 2 |
Investments Subclassifications [Table] |
Table |
|
|
nfp:InvestmentsSubclassificationsTable |
| 3 |
Investments Subclassifications [Line Items] |
LineItems |
|
|
nfp:InvestmentsSubclassificationsLineItems |
| 4 |
Investments [Roll Up] |
Abstract |
|
|
nfp:InvestmentsRollUp |
| 5 |
Short-term Investments |
Concept (Monetary) |
As Of |
Debit |
nfp:ShortTermInvestments |
| 6 |
Long-term Investments [Roll Up] |
Abstract |
|
|
nfp:LongtermInvestmentsRollUp |
| 7 |
Marketable Securities |
Concept (Monetary) |
As Of |
Debit |
nfp:MarketableSecurities |
| 8 |
Land Held for Investment |
Concept (Monetary) |
As Of |
Debit |
nfp:LandHeldForInvestment |
| 9 |
Other Miscellaneous Noncurrent Investments |
Concept (Monetary) |
As Of |
Debit |
nfp:OtherMiscellaneousNoncurrentInvestments |
| 10 |
Investments, Noncurrent |
Concept (Monetary) |
As Of |
Debit |
nfp:InvestmentsNoncurrent |
| 11 |
Investments |
Concept (Monetary) |
As Of |
Debit |
nfp:Investments |