XML 31 R75.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Equity (Stock Repurchase Program) (Details) (USD $) | 1 Months Ended | 3 Months Ended
--- | --- | ---
Sep. 30, 2013 | May 31, 2012 | Mar. 31, 2014
Stock Repurchase Program |  |  |
Repurchase of common stock, authorized amount | $ 50,000,000 | $ 20,000,000 |
Available repurchase of common stock, authorized amount | $ 16,000,000 |  | $ 29,000,000

X
- Details
Name: | star_StockRepurchaseProgramAbstract
Namespace Prefix: | star_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration