Compensation Plans - Schedule of Employee Stock Options and SSARs Activity (Details) - Stock Options and SSARs	12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares shares
Shares
Outstanding at beginning of period (in shares) | shares	40,650
Exercised (in shares) | shares	(12,350)
Outstanding at end of period (in shares) | shares	28,300
Exercisable (in shares) | shares	28,300
Weighted Average Exercise Price
Outstanding at beginning of period (usd per share) | $ / shares	$ 10.14
Exercised (usd per share) | $ / shares	10.14
Outstanding at end of period (usd per share) | $ / shares	10.14
Exercisable (usd per share) | $ / shares	$ 10.14
Additional Disclosures
Outstanding, weighted average remaining contractual term	7 months 6 days
Exercisable, weighted average remaining contractual term	7 months 6 days
Outstanding, aggregate intrinsic value | $	$ 1,077
Exercisable, aggregate intrinsic value | $	$ 1,077