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Employee Benefit Plans (Stock Options Outstanding And Exercisable) (Details) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
No. of Options Outstanding (in shares) | shares | 102,994
Aggregate Intrinsic Value (in thousands) | $ | $ 1,984
No. of Options Currently Exercisable (in shares) | shares | 23,276
Aggregate Intrinsic Value of Options Currently Exercisable (in thousands) | $ | $ 646
$25.00 - $29.99 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
No. of Options Outstanding (in shares) | shares | 1,250
Weighted-Average Exercise Price (in dollars per share) | $ 28.15
Weighted-Average Remaining Contractual Life (Years) | 2 years
Aggregate Intrinsic Value (in thousands) | $ | $ 45
No. of Options Currently Exercisable (in shares) | shares | 1,250
Weighted-Average Exercise Price of Options Currently Exercisable (in dollars per share) | $ 28.15
Weighted-Average Remaining Contractual Life (Years) | 2 years
Aggregate Intrinsic Value of Options Currently Exercisable (in thousands) | $ | $ 45
$25.00 - $29.99 | Minimum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 25.00
$25.00 - $29.99 | Maximum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 29.99
30.00 - 34.99 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
No. of Options Outstanding (in shares) | shares | 500
Weighted-Average Exercise Price (in dollars per share) | $ 30.38
Weighted-Average Remaining Contractual Life (Years) | 1 year 8 months
Aggregate Intrinsic Value (in thousands) | $ | $ 17
No. of Options Currently Exercisable (in shares) | shares | 500
Weighted-Average Exercise Price of Options Currently Exercisable (in dollars per share) | $ 30.38
Weighted-Average Remaining Contractual Life (Years) | 1 year 8 months
Aggregate Intrinsic Value of Options Currently Exercisable (in thousands) | $ | $ 17
30.00 - 34.99 | Minimum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 30
30.00 - 34.99 | Maximum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 34.99
35.00 - 39.99 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
No. of Options Outstanding (in shares) | shares | 32,351
Weighted-Average Exercise Price (in dollars per share) | $ 36.51
Weighted-Average Remaining Contractual Life (Years) | 5 years 5 months
Aggregate Intrinsic Value (in thousands) | $ | $ 905
No. of Options Currently Exercisable (in shares) | shares | 16,876
Weighted-Average Exercise Price of Options Currently Exercisable (in dollars per share) | $ 35.39
Weighted-Average Remaining Contractual Life (Years) | 5 years
Aggregate Intrinsic Value of Options Currently Exercisable (in thousands) | $ | $ 491
35.00 - 39.99 | Minimum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 35
35.00 - 39.99 | Maximum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 39.99
40.00 - 44.99 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
No. of Options Outstanding (in shares) | shares | 38,301
Weighted-Average Exercise Price (in dollars per share) | $ 43.99
Weighted-Average Remaining Contractual Life (Years) | 8 years 2 months
Aggregate Intrinsic Value (in thousands) | $ | $ 785
No. of Options Currently Exercisable (in shares) | shares | 4,650
Weighted-Average Exercise Price of Options Currently Exercisable (in dollars per share) | $ 44.43
Weighted-Average Remaining Contractual Life (Years) | 7 years
Aggregate Intrinsic Value of Options Currently Exercisable (in thousands) | $ | $ 93
40.00 - 44.99 | Minimum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 40
40.00 - 44.99 | Maximum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 44.99
45.00 - 49.99 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
No. of Options Outstanding (in shares) | shares | 12,961
Weighted-Average Exercise Price (in dollars per share) | $ 46.61
Weighted-Average Remaining Contractual Life (Years) | 7 years 11 months
Aggregate Intrinsic Value (in thousands) | $ | $ 232
No. of Options Currently Exercisable (in shares) | shares | 0
Weighted-Average Exercise Price of Options Currently Exercisable (in dollars per share) | $ 0.00
Aggregate Intrinsic Value of Options Currently Exercisable (in thousands) | $ | $ 0
45.00 - 49.99 | Minimum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 45
45.00 - 49.99 | Maximum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 49.99
50.00 - 70.00 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
No. of Options Outstanding (in shares) | shares | 17,631
Weighted-Average Exercise Price (in dollars per share) | $ 66.32
Weighted-Average Remaining Contractual Life (Years) | 9 years 11 months
Aggregate Intrinsic Value (in thousands) | $ | $ 0
No. of Options Currently Exercisable (in shares) | shares | 0
Weighted-Average Exercise Price of Options Currently Exercisable (in dollars per share) | $ 0.00
Aggregate Intrinsic Value of Options Currently Exercisable (in thousands) | $ | $ 0
50.00 - 70.00 | Minimum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 50
50.00 - 70.00 | Maximum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Ranges Of Exercise Prices (in dollars per share) | $ 70

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