Stockholders' Equity - Stock Rollforward (Details)	3 Months Ended
	Mar. 31, 2022 shares
Increase (Decrease) in Stock by Class [Roll Forward]
Common stock, beginning of period (in shares)	29,814,401
Treasury stock, beginning of period (in shares)	1,577,359
Changes related to deferred compensation plan for Boards of Directors:
Common stock, end of period (in shares)	29,824,684
Treasury stock, end of period (in shares)	1,434,441
Common Shares
Increase (Decrease) in Stock by Class [Roll Forward]
Common stock, beginning of period (in shares)	29,814,401
Changes related to stock-based compensation awards:
Release of restricted common shares (in shares)	0
Cancellation of restricted common shares (in shares)	0
Grant of common shares (in shares)	0
Changes related to deferred compensation plan for Boards of Directors:
Purchase of treasury stock (in shares)	0
Common shares issued under dividend reinvestment plan (in shares)	10,283
Common shares issued under compensation plan for Boards of Directors (in shares)	0
Common shares issued under employee stock purchase plan (in shares)	0
Common stock, end of period (in shares)	29,824,684
Treasury Stock
Increase (Decrease) in Stock by Class [Roll Forward]
Treasury stock, beginning of period (in shares)	1,577,359
Changes related to stock-based compensation awards:
Release of restricted common shares (in shares)	35,474
Cancellation of restricted common shares (in shares)	1,377
Grant of common shares (in shares)	(700)
Changes related to deferred compensation plan for Boards of Directors:
Purchase of treasury stock (in shares)	2,203
Common shares issued under dividend reinvestment plan (in shares)	0
Common shares issued under compensation plan for Boards of Directors (in shares)	(3,964)
Common shares issued under employee stock purchase plan (in shares)	(5,809)
Treasury stock, end of period (in shares)	1,434,441
Restricted Shares | Common Shares
Changes related to stock-based compensation awards:
Grant of common shares (in shares)	0
Restricted Shares | Treasury Stock
Changes related to stock-based compensation awards:
Grant of common shares (in shares)	(171,499)