Employee Benefit Plans - Fair Value of Plan Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	$ 84,283	$ 78,661	$ 69,308
Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	84,283	78,661
Pension | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	40,536	41,009
Pension | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	42,599	37,652
Pension | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets		0
Pension | U.S. equities, Large cap
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	25,148	20,960
Pension | U.S. equities, Large cap | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | U.S. equities, Large cap | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	25,148	20,960
Pension | U.S. equities, Large cap | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | U.S. equities, Medium cap
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	4,757	4,024
Pension | U.S. equities, Medium cap | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | U.S. equities, Medium cap | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	4,757	4,024
Pension | U.S. equities, Medium cap | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | U.S. equities, Small cap
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	3,575	3,301
Pension | U.S. equities, Small cap | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	1,735	1,365
Pension | U.S. equities, Small cap | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	1,840	1,936
Pension | U.S. equities, Small cap | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Non-U.S. equities, Large cap
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	15,611	16,183
Pension | Non-U.S. equities, Large cap | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	15,611	16,183
Pension | Non-U.S. equities, Large cap | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Non-U.S. equities, Large cap | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Non-U.S. equities, Emerging markets
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	4,283	4,759
Pension | Non-U.S. equities, Emerging markets | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	4,283	4,759
Pension | Non-U.S. equities, Emerging markets | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Non-U.S. equities, Emerging markets | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Fixed-income securities, Money markets
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	807	2,163
Pension | Fixed-income securities, Money markets | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Fixed-income securities, Money markets | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	807	2,163
Pension | Fixed-income securities, Money markets | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Fixed-income securities, U.S. bonds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	15,456	14,648
Pension | Fixed-income securities, U.S. bonds | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	11,524	11,067
Pension | Fixed-income securities, U.S. bonds | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	3,932	3,581
Pension | Fixed-income securities, U.S. bonds | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Fixed-income securities, Non-U.S. bonds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	7,383	7,635
Pension | Fixed-income securities, Non-U.S. bonds | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	7,383	7,635
Pension | Fixed-income securities, Non-U.S. bonds | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Fixed-income securities, Non-U.S. bonds | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Fixed-income securities, Real estate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	4,459	3,417
Pension | Fixed-income securities, Real estate | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Fixed-income securities, Real estate | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	4,459	3,417
Pension | Fixed-income securities, Real estate | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Fixed-income securities, Common/collective trusts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	1,656	1,571
Pension | Fixed-income securities, Common/collective trusts | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	0
Pension | Fixed-income securities, Common/collective trusts | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	1,656	1,571
Pension | Fixed-income securities, Common/collective trusts | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0	$ 0
Pension | Fixed-income securities, Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	1,148
Pension | Fixed-income securities, Other | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0
Pension | Fixed-income securities, Other | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	0
Pension | Fixed-income securities, Other | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total assets	$ 1,148