Share Based Compensation (Tables)

9 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Abstract]

Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

A summary of changes in the common shares subject to nonvested PBRSUs for the nine months ended September 30, 2023 follows:

	Common shares subject to PBRSUs
Nonvested at January 1, 2023	199,650
Granted	54,698
Vested	(62,815)
Forfeited	(4,072)
Adjustment for performance conditions of PBRSUs (1)	—
Nonvested at September 30, 2023 (2)	187,461

Share-based Payment Arrangement, Nonvested Award, Cost [Table Text Block]

The following table details expected additional share-based compensation expense related to PBRSUs outstanding at September 30, 2023:

(In thousands)
Three months ending December 31, 2023	$	1,341
2024	4,337
2025	2,838
2026	1,184
2027	190
Total	$	9,890

Share-based Compensation Arrangements by Share-based Payment Award, Performance-Based Units, Vested and Expected to Vest

A summary of awards vested during the three months and the nine months ended September 30, 2023 and 2022 follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2023	2022	2023	2022
PBRSUs and TBRSUs vested	—	7,049	62,815	55,464
Common shares withheld to satisfy employee income tax withholding obligations	—	2,559	23,973	21,217
Net common shares issued	—	4,490	38,842	34,247