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Noncontrolling Interests (Summary Of Changes In Controlling And Non-controlling Stockholders’ Equity) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Noncontrolling Interest [Line Items] |  |  |  |  |  |
Balance | [1] |  |  | $ 146,615 |  |
Net income |  | $ 19,052 | $ 2,922 | 22,095 | $ 5,149 | [1]
Distributions to noncontrolling stockholders |  |  |  | (133) | (124) | [1]
Accumulated other comprehensive income (loss) |  |  | 10 | (13) | (6) |
Balance |  | 174,340 |  | 174,340 |  |
Controlling Stockholders' Equity [Member] |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |
Balance |  |  |  | 142,197 | 132,865 |
Net income |  |  |  | 22,063 | 5,199 |
Increase in additional paid in capital |  |  |  | 610 | 340 |
Treasury stock purchased |  |  |  | (3,400) |  |
Contributions from noncontrolling stockholders - SHP |  |  |  |  |  |
Distributions to noncontrolling stockholders |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  | 8,489 | 4,326 |
Balance |  | 169,959 | 142,730 | 169,959 | 142,730 |
Noncontrolling Stockholders' Equity [Member] |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |
Balance |  |  |  | 4,418 | 4,331 |
Net income |  |  |  | 32 | (50) |
Increase in additional paid in capital |  |  |  |  |  |
Treasury stock purchased |  |  |  |  |  |
Contributions from noncontrolling stockholders - SHP |  |  |  | 49 | 84 |
Distributions to noncontrolling stockholders |  |  |  | (131) | (125) |
Accumulated other comprehensive income (loss) |  |  |  | 13 | 6 |
Balance |  | 4,381 | 4,246 | 4,381 | 4,246 |
Total Stockholders' Equity [Member] |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |
Balance |  |  |  | 146,615 | 137,196 |
Net income |  |  |  | 22,095 | 5,149 |
Increase in additional paid in capital |  |  |  | 610 | 340 |
Treasury stock purchased |  |  |  | (3,400) |  |
Contributions from noncontrolling stockholders - SHP |  |  |  | 49 | 84 |
Distributions to noncontrolling stockholders |  |  |  | (131) | (125) |
Accumulated other comprehensive income (loss) |  |  |  | 8,502 | 4,332 |
Balance |  | $ 174,340 | $ 146,976 | $ 174,340 | $ 146,976 |
[1] | Certain 2016 balances have been reclassified to conform to the 2017 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).

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- Definition Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569643-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 + Details
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