Noncontrolling Interests (Tables)

9 Months Ended

Sep. 30, 2014

Noncontrolling Interest [Abstract]

Changes in Common Shareholders' Equity Attributable to Parent Company and Equity Attributable to Noncontrolling Interests

	Common						Total
	Shareholders’			Noncontrolling			Shareholders’
(Dollars in thousands)	Equity			Interests			Equity
Balance at December 31, 2013	$	734,676		$	147,396		$	882,072
Net income	50,629			9,721			60,350
Amortization/issuance of restricted stock	22,114			—			22,114
Issuance of treasury shares for options exercised	3,644			—			3,644
Repurchase of common stock for employee tax withholding	(10,563		)	—			(10,563		)
Issuance of treasury shares for 401k match	4,156			—			4,156
Shares reserved/issued for director compensation	120			—			120
Other comprehensive loss	(143		)	—			(143		)
Fund capital withdrawals, net	—			(16,402		)	(16,402		)
Balance at September 30, 2014	$	804,633		$	140,715		$	945,348