Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands		Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss) (AOCI)
Equity, beginning balance at Dec. 31, 2018			$ 807	$ 1,106,984	$ (86,229)	$ (95,397)
Total Equity, beginning balance at Dec. 31, 2018		$ 926,165
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		(6,259)			(7,180)	921
Cash dividend declared and paid		(8,120)			(8,120)
Repurchase of Class A Common shares		(584)	(2)	(582)	0
Compensation plans	[1]	5,451	4	5,447
Equity, ending balance at Jun. 30, 2019			809	1,111,849	(101,529)	(94,476)
Total Equity, ending balance at Jun. 30, 2019		$ 916,653
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		383,936
Stock Repurchased During Period, Shares		180,541
Common Stock, Dividends, Per Share, Declared		$ 0.10
Tax payments related to shares withheld for vested stock and RSUs		$ 3,700
Equity, beginning balance at Mar. 31, 2019			808	1,108,585	(97,083)	(94,937)
Total Equity, beginning balance at Mar. 31, 2019		917,373
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		95			(366)	461
Cash dividend declared and paid		(4,080)			(4,080)
Compensation plans	[2]	3,265	1	3,264
Equity, ending balance at Jun. 30, 2019			809	1,111,849	(101,529)	(94,476)
Total Equity, ending balance at Jun. 30, 2019		$ 916,653
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		86,805
Common Stock, Dividends, Per Share, Declared		$ 0.05
Tax payments related to shares withheld for vested stock and RSUs		$ 51
Equity, beginning balance at Dec. 31, 2019			810	1,117,095	(120,981)	(98,989)
Total Equity, beginning balance at Dec. 31, 2019		897,935
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		(32,039)			(33,852)	1,813
Cash dividend declared and paid		(8,259)			(8,259)
Compensation plans	[3]	5,977	5	5,972
Equity, ending balance at Jun. 30, 2020			815	1,123,067	(163,092)	(97,176)
Total Equity, ending balance at Jun. 30, 2020		$ 863,614
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		556,316
Common Stock, Dividends, Per Share, Declared		$ 0.10
Tax payments related to shares withheld for vested stock and RSUs		$ 2,292
Equity, beginning balance at Mar. 31, 2020			814	1,119,485	(136,898)	(98,081)
Total Equity, beginning balance at Mar. 31, 2020		885,320
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		(21,138)			(22,043)	905
Cash dividend declared and paid		(4,151)			(4,151)
Compensation plans	[4]	3,583	1	3,582
Equity, ending balance at Jun. 30, 2020			$ 815	$ 1,123,067	$ (163,092)	$ (97,176)
Total Equity, ending balance at Jun. 30, 2020		$ 863,614
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		127,043
Common Stock, Dividends, Per Share, Declared		$ 0.05
Tax payments related to shares withheld for vested stock and RSUs		$ 26

[1] Net of tax payments related to shares withheld for vested RSUs of $3,700 for the six months ended June 30, 2019.

[2] Net of tax payments related to shares withheld for vested RSUs of $51 for the three months ended June 30, 2019.

[3] Net of tax payments related to shares withheld for vested RSUs of $2,292 for the six months ended June 30, 2020.

[4] Net of tax payments related to shares withheld for vested RSUs of $26 for the three months ended June 30, 2020.