STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2016

Summary of Repurchase Activity under Repurchase Programs

Year Ended December 31,
	2016					2015					2014
(Dollars in thousands)	Shares		Amount			Shares		Amount			Shares		Amount
Prior year authorizations at January 1,			$	40,534				$	13,284				$	14,433
Authorizations				25,879					50,000					14,410
Repurchases paid		1,078,251		(27,028	)		944,398		(22,530	)		756,143		(15,264	)
Repurchases unsettled		—		—			7,836		(220	)		13,983		(295	)
Authorized dollars remaining as of December 31,			$	39,385				$	40,534				$	13,284