XML 67 R36.htm IDEA: XBRL DOCUMENT v2.4.1.9
Summary of Significant Accounting Policies - Schedule of Net Income Attributable to Common Stock and Participating Restricted Stock (Details 3) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Net income attributed to:      
Common stock $ 36,959us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 51,351us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 48,853us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Participating common restricted stock     26us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
Net income $ 36,959us-gaap_NetIncomeLoss $ 51,351us-gaap_NetIncomeLoss $ 48,879us-gaap_NetIncomeLoss