Condensed Consolidated Statements of Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands		Cross Currency Interest Rate Contract [Member] Common Stock [Member]	Cross Currency Interest Rate Contract [Member] Additional Paid-in Capital [Member]	Cross Currency Interest Rate Contract [Member] Retained Earnings [Member]	Cross Currency Interest Rate Contract [Member] AOCI Attributable to Parent [Member]	Cross Currency Interest Rate Contract [Member] Parent [Member]	Cross Currency Interest Rate Contract [Member] Noncontrolling Interest [Member]	Cross Currency Interest Rate Contract [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2020									55,983
Balance at Dec. 31, 2020									$ 56	$ 1,262,446	$ 550,103	$ (6,620)	$ 1,805,985	$ 135,452	$ 1,941,437
Stock-based compensation									$ 0	2,097	0	0	2,097	0	2,097
Exercise of stock-based awards by employees and directors (*) (in shares)									1
Exercise of stock-based awards by employees and directors	[1]								$ 0	0	0	0	0	0	0
Stock issuance costs reimbursement									0	285	0	0	285	0	285
Cash paid to noncontrolling interest									0	0	0	0	0	(3,898)	(3,898)
Cash dividend declared									0	0	(6,718)	0	(6,718)	0	(6,718)
Net income									0	0	15,259	0	15,259	2,290	17,549
Change in foreign currency translation adjustments									0	0	0	(1,253)	(1,253)	(573)	(1,826)
Change in unrealized gains or losses in respect of the Company's share in derivative instruments of unconsolidated investment									0	0	0	3,755	3,755	0	3,755
Change in respect of derivative instruments designated for cash flow hedge		$ 0	$ 0	$ 0	$ (2,798)	$ (2,798)	$ 0	$ (2,798)							(2,798)
Other									0	0	0	16	16	0	16
Change in unrealized gains or losses on marketable securities available-for-sale (net of related tax)									$ 0	0	0	(20)	(20)	0	(20)
Balance (in shares) at Mar. 31, 2021									55,984
Balance at Mar. 31, 2021									$ 56	1,264,828	558,644	(6,920)	1,816,608	133,271	1,949,879
Change in foreign currency translation adjustments									0	0	0	(1,253)	(1,253)	(573)	(1,826)
Change in unrealized gains or losses in respect of the Company's share in derivatives instruments of unconsolidated investment that qualifies as a cash flow hedge									$ 0	0	0	3,755	3,755	0	3,755
Balance (in shares) at Dec. 31, 2021									56,056
Balance at Dec. 31, 2021									$ 56	1,271,925	585,209	(2,191)	1,854,999	143,462	1,998,461
Stock-based compensation									$ 0	2,814	0	0	2,814	0	2,814
Exercise of stock-based awards by employees and directors (*) (in shares)									16
Exercise of stock-based awards by employees and directors									$ 0	99	0	0	99	0	99
Cash paid to noncontrolling interest									0	0	0	0	0	(3,088)	(3,088)
Cash dividend declared									0	0	(6,727)	0	(6,727)	0	(6,727)
Net income									0	0	18,430	0	18,430	4,105	22,535
Change in foreign currency translation adjustments									0	0	0	(857)	(857)	(299)	(1,156)
Change in unrealized gains or losses in respect of the Company's share in derivative instruments of unconsolidated investment									0	0	0	3,902	3,902	0	3,902
Change in respect of derivative instruments designated for cash flow hedge		$ 0	$ 0	$ 0	$ (1,905)	$ (1,905)	$ 0	$ (1,905)							(1,905)
Other									0	0	0	15	15	0	15
Change in unrealized gains or losses on marketable securities available-for-sale (net of related tax)									$ 0	0	0	(101)	(101)	0	(101)
Balance (in shares) at Mar. 31, 2022									56,072
Balance at Mar. 31, 2022									$ 56	1,274,838	596,912	(1,137)	1,870,669	144,180	2,014,849
Change in foreign currency translation adjustments									0	0	0	(857)	(857)	(299)	(1,156)
Change in unrealized gains or losses in respect of the Company's share in derivatives instruments of unconsolidated investment that qualifies as a cash flow hedge									$ 0	$ 0	$ 0	$ 3,902	$ 3,902	$ 0	$ 3,902

[1] Resulted in an amount lower than $1 thousand.