Income Taxes - Schedule of Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income before income taxes	$ 120,137	$ 168,254	$ 84,596
Expected income tax thereon	38,444	53,841	27,071
Tax rate differential	(3,517)	(6,695)	(2,249)
Change in valuation allowance on deferred tax assets and for losses without recognition of deferred taxes	450	(204)	(3,689)
Change in the tax rate and tax laws	115	(802)	(9,543)
Income taxes for prior years	(3,247)	876	561
Tax on non-deductible interest expenses	1,232	1,096	1,522
Taxes on other non-deductible expenses, and non-deductible taxes	745	(893)	6,216
Effects of changes in permanent differences	(45)	96	(879)
Tax effect on tax-free income	(898)	(532)	(1,033)
Other tax effects	(63)	161	1,759
Effective income taxes as reported	$ 33,216	$ 46,944	$ 19,736
Effective tax rate	27.65%	27.90%	23.33%