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Recent Accounting Pronouncements Recent Accounting Pronouncements Table (Details) - USD ($) $ / shares in Units, shares in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent | $ 1,813,000 | $ 594,000 | $ 1,813,000
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options |  | $ 3,697 |
Earnings Per Share, Diluted |  | $ 0.06 |
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest | 31,464,000 | $ 29,704,000 |
Income Tax Expense (Benefit) | 10,942,000 | 5,808,000 |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | $ 20,522,000 | $ 23,896,000 |
Weighted Average Number of Shares Outstanding, Diluted | 58,203 | 60,253 |
Weighted Average Number of Shares Outstanding, Basic | 55,828 | 57,709 |
Weighted Average Number Diluted Shares Outstanding Adjustment | 2,375 | 2,544 |
Comprehensive income attributable to noncontrolling interests | $ 364,000 | $ 237,000 |
Net Income (Loss) Attributable to Parent | $ 20,158,000 | $ 23,659,000 |
Earnings Per Share, Basic | $ 0.36 | $ 0.41 |
Adjustments for New Accounting Pronouncement [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent |  | $ 14,342,000 | $ 13,985,000

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