Earnings Per Share Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) from Continuing Operations Available to Common Stockholders, Diluted	[1]	$ 14,183	$ 15,038	$ 29,870	$ 30,764
Net income from discontinued operations		1,245	1,546	3,310	3,640
Net Income (Loss) Available to Common Stockholders, Diluted		$ 15,428	$ 16,584	$ 33,180	$ 34,404
Income (Loss) from Continuing Operations, Per Diluted Share		$ 0.17	$ 0.18	$ 0.36	$ 0.37
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share		0.01	0.02	0.04	0.04
Earnings Per Share, Diluted		0.18	0.20	0.40	0.41
Common Stock, Dividends, Per Share, Cash Paid		$ 0.10	$ 0.09	$ 0.20	$ 0.18
Common Stock [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted Average Basic Common Shares Outstanding		81,236,809	80,778,562	81,269,154	80,647,191
Incremental Common Shares Attributable to Share-based Payment Arrangements	[1],[2]	1,058,425	1,231,478	1,019,488	1,249,729
Incremental Common Shares Attributable to Call Options and Warrants	[2]	1,224,705	1,250,343	1,102,415	1,214,308
Weighted Average Number Diluted Shares Outstanding Adjustment		2,283,130	2,481,821	2,121,903	2,464,037
Weighted Average Number of Shares Outstanding, Diluted	[1],[2]	83,519,939	83,260,383	83,391,057	83,111,228

[1] The Company presents its EPS based on the treasury stock method. The Company reverted to the treasury stock presentation from the two-class presentation due to the immaterial number of participating shares outstanding as of March 31, 2016. If the EPS presentation had been based on the two-class method, the following adjustments would have been made to the presentation of EPS for the three and six months ended June 30, 2016. Net income attributable to common shareholders would have been reduced by an additional $4 thousand, for the six months ended June 30, 2016, and the allocation of net income to participating securities would have been $1 thousand and $6 thousand, for the three and six months ended June 30, 2016, respectively, reducing net income attributable to common shareholders by a total of $1 thousand and $10 thousand, for the three and six months ended June 30, 2016, respectively. Basic EPS would not change. Weighted average diluted shared outstanding would have been reduced by 3,847 shares and 19,522 shares for the three and six months ended June 30, 2016, respectively. Diluted EPS would not change.If the EPS presentation had been based on the two-class method, the following adjustments would have been made to the presentation of EPS for the three and six months ended June 30, 2015. Net income attributable to common shareholders would have been reduced by an additional $38 thousand and $80 thousand, for the three and six months ended June 30, 2015, respectively, and the allocation of net income to participating securities would have been $33 thousand and $92 thousand, for the three and six months ended June 30, 2015, respectively, reducing net income attributable to common shareholders by a total of $71 thousand and $172 thousand, for the three and six months ended June 30, 2015, respectively. Basic EPS would decrease by $0.01 per share for both the three and six months ended June 30, 2015. Weighted average diluted shared outstanding would have been reduced by 221,902 shares and 282,399 shares, for the three and six months ended June 30, 2015, respectively. Diluted EPS would not change.

[2] The diluted EPS computations for the three and six months ended June 30, 2016 and 2015 do not assume the conversion, exercise, or contingent issuance of the following shares for the following periods because the result would have been anti-dilutive for the periods indicated. As a result of the anti-dilution, the potential common shares excluded from the diluted EPS computation are as follows: Three months ended June 30, Six months ended June 30, 2016 2015 2016 2015Shares excluded due to exercise price exceeding the average market price of common shares during the period (total outstanding):(In thousands)Potential common shares from: Stock options, restricted stock, or other dilutive securities315 538 243 585Total shares excluded due to exercise price exceeding the average market price of common shares during the period315 538 243 585