XML 54 R42.htm IDEA: XBRL DOCUMENT
v3.19.1

Stockholders' Equity (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Stockholders' Equity [Abstract] |
Schedule of Treasury Stock by Class [Table Text Block] |
| Quarter Ended March 31,
| 2019 |  | 2018
|  |  | Dollar |  |  |  | Dollar
| Shares |  | Amount |  | Shares |  | Amount
| (In thousands, except shares data)
Beginning of period | 8,591,310 |  | $ | 103,633 |  | 8,678,427 |  | $ | 104,502
Common shares used upon lapse of restricted stock units and options | (34,507) |  |  | (437) |  | (20,900) |  |  | (360)
End of period | 8,556,803 |  | $ | 103,196 |  | 8,657,527 |  | $ | 104,142

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
Name: | us-gaap_ScheduleOfTreasuryStockByClassTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration