Unaudited Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018
Repurchase of treasury shares, shares		5,615,874
Accumulated Other Comprehensive Income (Loss) [Member]
Unrealized loss on derivatives, tax (benefit) expense	$ 137	$ (1,055)	$ (744)	$ 425	$ 918	$ 2,774

Number of shares that have been repurchased during the period and are being held in treasury.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Balance Type:	na
Period Type:	duration