Other Assets - Investments - Equity Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Equity Securities
Investments - equity securities	$ 334		$ 334		$ 450
Unrealized gain (loss) on investments held as of balance sheet date		$ 100		$ (900)
Maximum
Equity Securities
Unrealized gain (loss) on investments held as of balance sheet date	100		100
Preferred stock
Equity Securities
Investments - equity securities	$ 300		$ 300		$ 500