XML 109 R37.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Quarterly Results (unaudited) (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Information | The following table reflects selected quarterly results for the Company.
| Three Months Ended
(in thousands, except per share data) | March 31, 2019 |  | June 30, 2019 |  | September 30, 2019 |  | December 31, 2019
Revenue | $ | 158,843 |  |  | $ | 158,914 |  |  | $ | 155,152 |  |  | $ | 160,997 |
Operating income | 24,787 |  |  | 24,020 |  |  | 25,359 |  |  | 22,880 |
Net income | 13,910 |  |  | 13,150 |  |  | 14,354 |  |  | 13,521 |
Net income per share - basic | $ | 0.28 |  |  | $ | 0.26 |  |  | $ | 0.29 |  |  | $ | 0.27 |
Net income per share - diluted | $ | 0.28 |  |  | $ | 0.26 |  |  | $ | 0.29 |  |  | $ | 0.27 |
| Three Months Ended
(in thousands except per share data) | March 31, 2018 |  | June 30, 2018 |  | September 30, 2018 |  | December 31, 2018
Revenue | $ | 154,138 |  |  | $ | 156,501 |  |  | $ | 158,731 |  |  | $ | 161,484 |
Operating income | 16,754 |  |  | 21,169 |  |  | 28,329 |  |  | 26,994 |
Net income | 6,583 |  |  | 9,626 |  |  | 15,534 |  |  | 14,852 |
Net income per share - basic | $ | 0.13 |  |  | $ | 0.19 |  |  | $ | 0.31 |  |  | $ | 0.31 |
Net income per share - diluted | $ | 0.13 |  |  | $ | 0.19 |  |  | $ | 0.31 |  |  | $ | 0.30 |
Schedule of Error Corrections and Prior Period Adjustments |
| Three Months Ended
(in thousands, except per share data) | March 31, 2019 |  | June 30, 2019 |  | September 30, 2019 |  | December 31, 2019
Revenue | $ | 158,843 |  |  | $ | 158,914 |  |  | $ | 155,152 |  |  | $ | 160,997 |
Operating income | 24,787 |  |  | 24,020 |  |  | 25,359 |  |  | 22,880 |
Net income | 13,910 |  |  | 13,150 |  |  | 14,354 |  |  | 13,521 |
Net income per share - basic | $ | 0.28 |  |  | $ | 0.26 |  |  | $ | 0.29 |  |  | $ | 0.27 |
Net income per share - diluted | $ | 0.28 |  |  | $ | 0.26 |  |  | $ | 0.29 |  |  | $ | 0.27 |
| Three Months Ended
(in thousands except per share data) | March 31, 2018 |  | June 30, 2018 |  | September 30, 2018 |  | December 31, 2018
Revenue | $ | 154,138 |  |  | $ | 156,501 |  |  | $ | 158,731 |  |  | $ | 161,484 |
Operating income | 16,754 |  |  | 21,169 |  |  | 28,329 |  |  | 26,994 |
Net income | 6,583 |  |  | 9,626 |  |  | 15,534 |  |  | 14,852 |
Net income per share - basic | $ | 0.13 |  |  | $ | 0.19 |  |  | $ | 0.31 |  |  | $ | 0.31 |
Net income per share - diluted | $ | 0.13 |  |  | $ | 0.19 |  |  | $ | 0.31 |  |  | $ | 0.30 |

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

X
- Definition Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22658-107794 + Details
Name: | us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306 + Details
Name: | us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration