Income Taxes (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Income Tax Expense Components [Line Items]
Income before income taxes		$ 24,325	$ 26,490
Income tax expense		7,438	8,572
Net income from continuing operations		$ 16,887	$ 17,918
Effective Income Tax Rate, Continuing Operations		30.60%	32.40%
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		$ 3,530	$ 3,663
Discontinued Operation, Tax Effect of Discontinued Operation		1,465	1,569
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	[1]	$ 2,065	$ 2,094
Effective Tax Rate Discontinued Operations		41.50%	42.80%
Tax effect Attributable to Noncontrolling Interests		$ 0	$ 0
Net income attributable to noncontrolling interests		$ 911	$ 1,229
Effective Tax Rate Noncontrolling Interests		0.00%	0.00%
Income from Continuing and Discontinued Operations Attributable to Parent Before Tax		$ 26,944	$ 28,924
Tax Expense (Benefit) Total		8,903	10,141
Net income attributable to the Company		$ 18,041	$ 18,783
Effective Tax Rate Total		33.00%	35.10%

[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 months ended March 31, 2016. Net income attributable to common shareholders would have been reduced by an additional $4 thousand, and the allocation of net income to participating securities would have been $6 thousand, reducing net income attributable to common shareholders by a total of $10 thousand. Basic EPS would not change. Weighted average diluted shared outstanding would have been reduced by 37,298 shares. 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 months ended March 31, 2015. Net income attributable to common shareholders would have been reduced by an additional $43 thousand, and the allocation of net income to participating securities would have been $60 thousand, reducing net income attributable to common shareholders by a total of $103 thousand. Basic EPS would not change. Weighted average diluted shared outstanding would have been reduced by 341,603 shares. Diluted EPS would not change.