Share Based Compensation (Tables)

6 Months Ended

Jun. 30, 2019

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 six months ended June 30, 2019 follows:

	Common shares subject to PBRSUs and TBRSUs
Nonvested at January 1, 2019	152,631
Granted	74,440
Vested	(27,719	)
Forfeited	—
Adjustment for performance conditions of PBRSUs (1)	(3,368	)
Nonvested at June 30, 2019 (2)	195,984

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 as of June 30, 2019:

(In thousands)
Six months ending December 31, 2019	$	2,590
2020	4,071
2021	2,402
2022	1,043
2023	164
Total	$	10,270