Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF CHANGESIN SHAREHOLDERS’ EQUITY (Parenthetical)

v2.4.1.9
CONSOLIDATED STATEMENT OF CHANGESIN SHAREHOLDERS’ EQUITY (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Exercise of stock options, shares tendered in payment of exercise price 43,535lts_StockTenderedDuringPeriodShares 224,601lts_StockTenderedDuringPeriodShares 187,542lts_StockTenderedDuringPeriodShares
Preferred Stock      
Underwriting discount and expenses 2,531lts_StockIssuedDuringPeriodUnderwritingDiscount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember 		6,383lts_StockIssuedDuringPeriodUnderwritingDiscount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember