Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Intangible assets, accumulated amortization	$ 6,944	$ 6,840
Shareholders' Equity:
Preferred Shares - Outstanding (in shares)	14,703,214	14,703,214
Series C, D and E Preferred Shares
Shareholders' Equity:
Preferred Shares - Par Value (in dollars per share)	$ 0.01	$ 0.01
Preferred Shares - Authorized (in shares)	29,000,000	29,000,000
Preferred Shares - Liquidation Preference Value (in dollars per share)	$ 25	$ 25
Series C
Shareholders' Equity:
Preferred Shares - Issued (in shares)	3,000,000	3,000,000
Preferred Shares - Outstanding (in shares)	3,000,000	3,000,000
Series D
Shareholders' Equity:
Preferred Shares - Issued (in shares)	7,701,700	7,701,700
Preferred Shares - Outstanding (in shares)	7,701,700	7,701,700
Series E
Shareholders' Equity:
Preferred Shares - Issued (in shares)	4,001,514	4,001,514
Preferred Shares - Outstanding (in shares)	4,001,514	4,001,514
Class A Common Shares
Shareholders' Equity:
Common Shares - Par Value (in dollars per share)	$ 0.01	$ 0.01
Common Shares - Authorized (in shares)	104,000,000	104,000,000
Common Shares - Issued (in shares)	39,325,025	38,843,482
Common Shares - Outstanding (in shares)	39,325,025	38,843,482
Class B Common Shares
Shareholders' Equity:
Common Shares - Par Value (in dollars per share)	$ 0.01	$ 0.01
Common Shares - Authorized (in shares)	1,000,000	1,000,000
Common Shares - Issued (in shares)	0	0
Common Shares - Outstanding (in shares)	0	0