Annual report pursuant to Section 13 and 15(d)

SUBSEQUENT EVENTS (Narrative) (Details)

v2.4.1.9
SUBSEQUENT EVENTS (Narrative) (Details) (USD $)
 12 Months Ended 23 Months Ended 2 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2015
Feb. 24, 2015
Subsequent Event [Line Items]          
Stock repurchased, aggregate purchase price $ 52,599,000us-gaap_StockRepurchasedDuringPeriodValue $ 9,499,000us-gaap_StockRepurchasedDuringPeriodValue $ 14,445,000us-gaap_StockRepurchasedDuringPeriodValue    
Repurchase Agreements [Member]          
Subsequent Event [Line Items]          
Stock repurchased, aggregate purchase price 52,500,000us-gaap_StockRepurchasedDuringPeriodValue
/ us-gaap_ShareRepurchaseProgramAxis
= us-gaap_RepurchaseAgreementsMember 		       
Subsequent Event [Member]          
Subsequent Event [Line Items]          
Stock repurchase program, amount authorized       $ 65,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		 
Subsequent Event [Member] | Repurchase Agreements [Member]          
Subsequent Event [Line Items]          
Stock purchased under stock repurchase plan, shares         102,843us-gaap_StockRepurchasedDuringPeriodShares
/ us-gaap_ShareRepurchaseProgramAxis
= us-gaap_RepurchaseAgreementsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Stock repurchased, purchase price per share         $ 23.17us-gaap_TreasuryStockAcquiredAverageCostPerShare
/ us-gaap_ShareRepurchaseProgramAxis
= us-gaap_RepurchaseAgreementsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember