Property Held For Sale (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Activity of Property Held for Sale [Roll Forward]
Beginning balance	$ 19,276	$ 21,432	$ 21,470
Acquisitions	1,132	4,549	1,804
Real Estate Acquired Through Foreclosure Acquired through Merger Acquisition	146	0	0
Capitalized improvements	1,352	512	1,304
Dispositions	(4,535)	(5,142)	(2,370)
Valuation adjustments	(1,783)	(2,075)	(776)
Balance at year end	$ 15,588	$ 19,276	$ 21,432