Stock Repurchase Program, Percent of Return of Cash Flows to Stockholders

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

+ References

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 31, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	Dec. 31, 2018	Aug. 01, 2017	Aug. 31, 2016	Dec. 31, 2015
Subsequent Event [Line Items]
Cash dividends declared per common share (in dollars per share)		$ 0.21	$ 0.18	$ 0.39	$ 0.34	$ 0.36
Estimated total cash dividend				$ 18,606	$ 16,438	$ 17,092
Percent of return of cash flows to stockholders				50.00%
Subsequent Event
Subsequent Event [Line Items]
Cash dividends declared per common share (in dollars per share)	$ 0.21
Estimated total cash dividend	$ 9,900
Dividends payable, date to be paid	Oct. 26, 2017
Dividends payable, date of record	Oct. 05, 2017
Payments to acquire business	$ 9,600
Accelerated Share Repurchase Program
Subsequent Event [Line Items]
Stock repurchase program, authorized amount									$ 125,000	$ 50,000
Accelerated Share Repurchase Program \| Subsequent Event
Subsequent Event [Line Items]
Stock repurchase program, authorized amount								$ 150,000
Accelerated Share Repurchase Program \| Subsequent Event \| Forecast
Subsequent Event [Line Items]
Stock repurchase program, authorized amount							$ 275,000