Income Taxes (Rate Reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 1,176	$ 92	$ 599	$ (377)
Federal Statutory Income Tax Rate	21.00%	21.00%	21.00%	21.00%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	$ (1,408)	$ (489)	$ (1,560)	$ (1,039)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent	(25.10%)	(111.60%)	(54.70%)	57.80%
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount	$ (29)	$ (38)	$ (59)	$ (78)
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent	(0.50%)	(8.70%)	(2.10%)	4.30%
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	$ (316)	$ 229	$ 339	$ 846
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	(5.60%)	52.30%	11.90%	(47.10%)
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount	$ 0	$ (83)	$ 0	$ (88)
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent	0.00%	(18.90%)	0.00%	4.90%
Unrecognized Tax Benefits, Income Tax Penalties Expense	$ 613	$ 1,028	$ 1,216	$ 2,043
Effective Income Tax Rate Reconciliation, Tax Contingency, Domestic, Percent	10.90%	234.70%	42.60%	(113.70%)
Subpart F Income	$ 600	$ 717	$ 992	$ 1,392
Subpart F Income, Percent	10.70%	163.70%	34.80%	(77.50%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Officer Compensation	$ 33	$ 0	$ (40)	$ 0
Effective Income Tax Rate Reconciliation, Nondeductible Expense Officer Compensation, Percent	0.60%	0.00%	(1.40%)	0.00%
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	$ (91)	$ 9	$ (84)	$ 115
Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent	(1.60%)	2.10%	(2.90%)	(6.40%)
Income tax expense (benefit)	$ 578	$ 1,465	$ 1,403	$ 2,814
Effective Income Tax Rate	10.40%	334.60%	49.20%	(156.70%)