Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		3 Months Ended			6 Months Ended
	Dec. 17, 2020	May 31, 2021	Feb. 28, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Proceeds from issuance of common stock							$ 59,139	$ 0
Common stock, shares, issued				46,454,264			46,454,264		44,796,252
Repurchase of common shares (shares)				29,082			33,863
Treasury stock, value				$ 860		$ 198	$ 1,031	$ 1,436
Treasury stock reissued				114,131			128,580
Cash dividends per share		$ 0.01	$ 0.01	$ 0.01		$ 0.01	$ 0.02	$ 0.26
Dividends payable, amount per share				$ 0.01			$ 0.01
Dividends payable, date declared							Jul. 28, 2021
Dividends payable, date of record							Aug. 09, 2021
Dividends payable, date to be paid							Aug. 24, 2021
Wells Fargo Securities, LLC [Member] | At-The-Market Offerings [Member]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Proceeds from issuance of common stock	$ 60,000				$ 59,100
Common stock, shares, issued					1,658,012