Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Summary of Share Repurchase Activity

The following table summarizes the Company’s share repurchase activity:

	Year ended December 31,				Cumulative
	2016		2015		Total (1)
	(in thousands)
Common shares repurchased		7,368		1,045		8,413
Cost of common shares repurchased	$	98,370	$	16,338	$	114,708

(1) Amounts represent the share repurchase program total through December 31, 2016.