INCOME TAXES - Valuation Allowance (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Valuation allowance, foreign tax credits	$ 11,047	$ 14,127
Valuation allowance, acquired federal net operating losses	3,788	779
Valuation allowance, state net operating loss carryforwards	12,053	10,429
Valuation allowance, foreign net operating loss carryforwards	26,697	29,839
Valuation allowance, deferred tax assets of a Canadian subsidiary	10,701	11,468
Valuation allowance, realized and unrealized capital losses	5,520	10,402
Valuation allowance	$ 69,806	$ 77,044