|
Stock Based Compensation (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
9 Months Ended | 0 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 36 Months Ended | 9 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2013
Equity Plan
|
Aug. 08, 2013
Equity Plan
Restricted LP Units
Employee
|
Sep. 30, 2013
Equity Plan
Restricted LP Units
Employee
|
Sep. 30, 2012
Equity Plan
Restricted LP Units
Employee
|
Sep. 30, 2013
Equity Plan
Common Class A
|
Sep. 30, 2013
Manger Equity Plan
|
Sep. 30, 2013
PFG Plan
PFG
|
Sep. 30, 2012
PFG Plan
PFG
|
Sep. 30, 2013
PFG Plan
PFG
|
Sep. 30, 2012
PFG Plan
PFG
|
Sep. 30, 2013
PFG Plan
PFG
|
Dec. 31, 2012
PFG Plan
PFG
|
Oct. 14, 2010
PFG Plan
PFG
|
Sep. 30, 2013
Common stock
Common Class A
|
Sep. 30, 2013
Common stock
Equity Plan
Common Class A
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||||||
| Stock-based compensation to directors for services rendered, shares | 4,360 | 4,360 | ||||||||||||||
| Stock-based compensation to directors for services rendered | $ 30 | $ 30 | ||||||||||||||
| Number of shares authorized | 700,000 | 1,325,635 | ||||||||||||||
| Shares available for future issuance | 137,664 | 2,000,000 | 134,629 | 583,300 | 546,136 | |||||||||||
| Shares that are used to pay taxes on behalf of the employees | 7,414 | |||||||||||||||
| Anniversary date | Aug. 08, 2023 | |||||||||||||||
| Units granted | 19,310 | 564,092 | ||||||||||||||
| Grant date fair value (in dollars per share) | $ 134,000 | |||||||||||||||
| Award vesting period (in years) | 3 years | |||||||||||||||
| Share-based compensation expense | 241 | 113 | 16 | 15 | 49 | 27 | ||||||||||
| Nonvested, weighted average grant date fair value | $ 2.64 | $ 2.64 | $ 2.64 | $ 4.05 | ||||||||||||
| Total unrecognized compensation cost | $ 412 | $ 106 | $ 150 | $ 106 | $ 150 | $ 106 | ||||||||||
| Unrecognized compensation cost, period of recognition | 2 years 0 months 20 days | 1 year 7 months 6 days | ||||||||||||||