|
Noncontrolling Interests (Redeemable Preferred Units) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2013
|
Mar. 31, 2012
|
|
| Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] | ||
| Beginning Balance | $ 110,876 | |
| Net income | 1,180 | 801 |
| Conversion of redeemable preferred units (Series Two Preferred Units) to common units | 4,115 | |
| Ending Balance | 110,876 | |
|
Redeemable Preferred Units [Member]
|
||
| Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] | ||
| Beginning Balance | 110,876 | 55,652 |
| Net income | 1,180 | 801 |
| Distributions | (1,180) | (801) |
| Conversion of redeemable preferred units (Series Two Preferred Units) to common units | (4,115) | |
| Ending Balance | $ 110,876 | $ 51,537 |