Stockholders' Equity - Stock Rollforward (Details)	6 Months Ended
	Jun. 30, 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)	29,836,491
Treasury stock, end of period (in shares)	1,610,525
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
Disbursed out of treasury stock (in shares)	0
Common shares repurchased under share repurchase program (in shares)	0
Common shares issued under dividend reinvestment plan (in shares)	22,090
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)	29,836,491
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)	38,010
Cancellation of restricted common shares (in shares)	1,880
Grant of common shares (in shares)	(203,081)
Changes related to deferred compensation plan for Boards of Directors:
Purchase of treasury stock (in shares)	6,459
Disbursed out of treasury stock (in shares)	(3,039)
Common shares repurchased under share repurchase program (in shares)	214,220
Common shares issued under dividend reinvestment plan (in shares)	0
Common shares issued under compensation plan for Boards of Directors (in shares)	(8,738)
Common shares issued under employee stock purchase plan (in shares)	(11,845)
Treasury stock, end of period (in shares)	1,610,525
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)	(700)