Income Taxes (Tax Treatment of Distributions and Consolidated Benefit for Income Taxes) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Tax treatment of distributions:
Ordinary income (in dollars per share)	$ 0	$ 0	$ 0
Qualified ordinary income (in dollars per share)	0.00330	0.00696	0.12230
199A qualified business income	1.25274	2.14381	2.22898
Long-term capital gain (in dollars per share)	0.16448	0.28450	0
Unrecaptured Section 1250 gain (in dollars per share)	0.37948	0.04973	0.03434
Tax Treatment Of Non-dividend Distributions	0	0	0.78438
Distribution reported for 1099-DIV purposes (in dollars per share)	1.80000	2.48500	3.17000
Add: Dividend declared in current year and taxable in following year (in dollars per share)	0.45000	0.45000	0.79250
Less: Dividend declared in prior year and taxable in current year	(0.45000)	(0.79250)	(0.79250)
Dividends declared per common share (in dollars per share)	$ 1.80000	$ 2.1425	$ 3.170
Provision (benefit) for income taxes
Current - Federal	$ 662	$ 402	$ (1,840)
Current - State	2,116	2,107	2,118
Deferred - Federal	6,431	(56,835)	(49,532)
Deferred - State	72	(35,447)	(3,353)
Current - Foreign	3,439	2,929	2,335
Deferred - Foreign	(7,893)	(9,690)	(6,038)
Income tax expense (benefit)	$ 4,827	$ (96,534)	$ (56,310)