Earning Per Share - Schedule of Dilutive Securities Included in Computation of Earnings Per Share (Details) - shares	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Warrants	1,537,484
Share-based compensation awards	151,200
Total dilutive securities	1,688,684	0

Dilutive securities, effect on basic earnings per share, share based compensation awards.

No definition available.

Name:	lnkb_DilutiveSecuritiesEffectOnBasicEarningsPerShareShareBasedCompensationAwards
Namespace Prefix:	lnkb_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration