Share Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

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 and TBRSUs for the three months ended March 31, 2020 follows:

	Common shares subject to PBRSUs and TBRSUs
Nonvested at January 1, 2020	194,722
Granted	62,265
Vested	(36,674)
Forfeited	(688)
Adjustment for performance conditions of PBRSUs (1)	(5,399)
Nonvested at March 31, 2020 (2)	214,226

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

The following table details expected additional share-based compensation expense related to PBRSUs and TBRSUs outstanding at March 31, 2020:

(In thousands)
Nine months ending December 31, 2020	$	3,663
2021	3,614
2022	2,389
2023	1,002
2024	163
Total	$	10,831