Earnings per Share/Capital Stock: (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Schedule of reconciliation of Registrant's net income and weighted average Common Shares outstanding for calculating basic net income per share

Basic:	For The Three Months Ended March 31,
(in thousands, except per share amounts)	2021		2020
Net income	$	19,268	$	14,072
Less: (a) Distributed earnings to common shareholders	12,361		11,242
Distributed earnings to participating securities	37		37
Undistributed earnings	6,870		2,793
(b) Undistributed earnings allocated to common shareholders	6,850		2,784
Undistributed earnings allocated to participating securities	20		9
Total income available to common shareholders, basic (a)+(b)	$	19,211	$	14,026
Weighted average Common Shares outstanding, basic	36,898		36,860
Basic earnings per Common Share	$	0.52	$	0.38

Schedule of reconciliation of Registrant's net income and weighted average Common Shares outstanding for calculating diluted net income per share

The following is a reconciliation of Registrant’s net income and weighted average Common Shares outstanding for calculating diluted net income per share:

Diluted:	For The Three Months Ended March 31,
(in thousands, except per share amounts)	2021		2020
Common shareholders earnings, basic	$	19,211	$	14,026
Undistributed earnings for dilutive stock-based awards	20		9
Total common shareholders earnings, diluted	$	19,231	$	14,035
Weighted average common shares outstanding, basic	36,898		36,860
Stock-based compensation (1)	95		109
Weighted average common shares outstanding, diluted	36,993		36,969
Diluted earnings per Common Share	$	0.52	$	0.38

(1)     All of the 120,973 and 129,637 restricted stock units at March 31, 2021 and 2020, respectively, were included in the calculation of diluted EPS for the three months ended March 31, 2021 and 2020.