PENSION PLANS. (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2019

Dec. 31, 2018

Schedule of defined contribution plan schedule

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Interest cost	$	55	$	46	$	165	$	138
Service cost		17		2		51		6
Amortization of loss		30		33		90		99
Net periodic expense	$	102	$	81	$	306	$	243

Schedule of retirement plan costs

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Interest cost	$	190		$	174		$	570		$	522
Service cost		94			106			282			318
Expected return on plan assets		(190	)		(204	)		(570	)		(612	)
Net periodic expense	$	94		$	76		$	282		$	228

Postretirement Plan [Member]

Schedule of defined contribution plan schedule

Information related to the Retirement Plan as of and for the years ended December 31, 2018, 2017 and 2016 is presented below (dollars in thousands): 

	2018			2017			2016
Changes in plan assets:
Fair value of plan assets, beginning	$	13,958		$	12,423		$	12,567
Actual gains (losses)		(946	)		1,722			523
Benefits paid		(667	)		(665	)		(667	)
Company contributions		912			478			—
Participant contributions		—			—			—
Fair value of plan assets, ending	$	13,257		$	13,958		$	12,423
Less: projected accumulated benefit obligation	$	18,690		$	19,658		$	18,455
Funded status, (underfunded)/overfunded	$	(5,433	)	$	(5,700	)	$	(6,032	)
Amounts recognized in the consolidated balance sheets:
Other liabilities	$	(5,433	)	$	(5,700	)	$	(6,032	)
Accumulated other comprehensive loss (income)	$	1,069		$	726		$	1,047
Components of net periodic benefit costs are as follows:
Service cost	$	424		$	391		$	223
Interest cost		694			750			686
Expected return on plan assets		(816	)		(674	)		(794	)
Net periodic benefit cost	$	302		$	467		$	115
Loss (gain) recognized in other comprehensive income (expense)	$	343		$	(321	)	$	1,932
Assumptions used in computation benefit obligations:
Discount rate		4.15	%		3.60	%		4.15	%
Expected long-term return on plan assets		6.25	%		6.00	%		6.75	%
Rate of compensation increase		—			—			—

Schedule of expected benefit payments

The following table summarizes the expected benefit payments for the Company's Retirement Plan for each of the next five fiscal years and in the aggregate for the five fiscal years thereafter (in thousands):

December 31:
2019	$	760
2020		790
2021		800
2022		840
2023		890
2024-28		5,100
	$	9,180

Retirement Plan [Member]

Schedule of defined contribution plan schedule

Information related to the Postretirement Plan as of December 31, 2018 and 2017 is presented below (dollars in thousands):

	2018			2017
Amounts at the end of the year:
Accumulated/projected benefit obligation	$	5,711		$	5,565
Fair value of plan assets		—
Funded status, (underfunded)/overfunded	$	(5,711	)	$	(5,565	)
Amounts recognized in the consolidated balance sheets:
Accrued liabilities	$	(320	)	$	(240	)
Other liabilities	$	(5,392	)	$	(5,325	)
Accumulated other comprehensive loss	$	1,390		$	1,508

	Years Ended December 31,
	2018			2017			2016
Amounts recognized in the plan for the year:
Company contributions	$	137		$	157		$	163
Participant contributions	$	14		$	22		$	22
Benefits paid	$	(152	)	$	(179	)	$	(184	)
Components of net periodic benefit costs are as follows:
Service cost	$	84		$	84		$	48
Interest cost		182			198			139
Amortization of prior service costs		131			134			—
Net periodic benefit cost	$	397		$	416		$	187
Loss (gain) recognized in other comprehensive income	$	(118	)	$	(65	)	$	1,728
Discount rate used in computation of benefit obligations		3.35	%		3.80	%		3.95	%

Schedule of expected benefit payments

The following table summarizes the expected benefit payments for the Company's Post-Retirement Plan for each of the next five fiscal years and in the aggregate for the five fiscal years thereafter (in thousands):

December 31:
2019	$	320
2020		320
2021		370
2022		360
2023		390
2024-28		2,350
	$	4,110