Long-Term Compensation Plan and Stock Based Compensation - Allocation of Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018
Plan information
Restricted stock awards	$ 677	$ 552	$ 1,009	$ 799
Restricted Stock, subject to performance criteria
Plan information
Unissued shares	140
Restricted Stock, subject to time-based criteria
Plan information
Stock based compensation awards issued shares	137
2019 Omnibus Incentive Plan | Restricted Stock [Member]
Plan information
Stock based compensation Awards	277
Stock issues during the period		0	0
2019 Omnibus Incentive Plan | Restricted Stock, subject to performance criteria
Plan information
Stock based compensation awards issued shares	140
Restricted stock awards	$ 2,000
Vesting period (in years)	3 years
2019 Omnibus Incentive Plan | Restricted Stock, subject to time-based criteria
Plan information
Stock based compensation awards issued shares	137
Restricted stock awards	$ 2,000
2019 Omnibus Incentive Plan | Restricted Stock, subject to time-based criteria | Minimum
Plan information
Vesting period (in years)	1 year
2019 Omnibus Incentive Plan | Restricted Stock, subject to time-based criteria | Maximum
Plan information
Vesting period (in years)	4 years