Cass Information Systems (CASS) 10-Q 7 Nov 17 2017 Q3 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Oct. 30, 2017
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q3
Entity Registrant Name	CASS INFORMATION SYSTEMS INC
Entity Central Index Key	708,781
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		11,166,349

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets
Cash and due from banks	$ 13,961	$ 11,814
Interest-bearing deposits in other financial institutions	90,789	136,852
Federal funds sold and other short-term investments	137,348	118,077
Cash and cash equivalents	242,098	266,743
Securities available-for-sale, at fair value	457,068	390,552
Loans	658,090	664,866
Less: Allowance for loan losses	10,202	10,175
Loans, net	647,888	654,691
Premises and equipment, net	21,168	21,086
Investment in bank-owned life insurance	16,812	16,445
Payments in excess of funding	119,802	105,347
Goodwill	12,569	11,590
Other intangible assets, net	2,106	1,997
Other assets	37,239	36,388
Total assets	1,556,750	1,504,839
Deposits:
Noninterest-bearing	211,413	214,656
Interest-bearing	397,817	407,305
Total deposits	609,230	621,961
Accounts and drafts payable	687,233	642,287
Other liabilities	36,332	32,556
Total liabilities	1,332,795	1,296,804
Shareholders' Equity:
Preferred stock, par value $.50 per share; 2,000,000 shares authorized and no shares issued
Common stock, par value $.50 per share; 40,000,000 shares authorized and 11,931,147 shares issued at September 30, 2017 and December 31, 2016	5,966	5,966
Additional paid-in capital	129,052	128,455
Retained earnings	130,321	118,363
Common shares in treasury, at cost (764,798 shares at September 30, 2017 and 742,681 shares at December 31, 2016)	(32,167)	(30,206)
Accumulated other comprehensive loss	(9,217)	(14,543)
Total shareholders' equity	223,955	208,035
Total liabilities and shareholders' equity	$ 1,556,750	$ 1,504,839

CONSOLIDATED BALANCE SHEETS (Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Preferred stock, par value per share	$ 0.50	$ .50
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Common stock, par value per share	$ 0.50	$ .50
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	11,931,147	11,931,147
Treasury stock, shares	764,798	742,681

CONSOLIDATED STATEMENTS OF INCO

CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Fee Revenue and Other Income:
Information services payment and processing revenue	$ 23,761	$ 21,737	$ 69,332	$ 62,162
Bank service fees	327	284	998	931
Gains on sales of securities				387
Other	119	127	448	630
Total fee revenue and other income	24,207	22,148	70,778	64,110
Interest Income:
Interest and fees on loans	7,209	7,264	21,266	21,711
Interest and dividends on securities:
Taxable	107	36	268	69
Exempt from federal income taxes	2,605	2,386	7,865	7,217
Interest on federal funds sold and other short-term investments	744	299	1,597	775
Total interest income	10,665	9,985	30,996	29,772
Interest Expense:
Interest on deposits	571	505	1,521	1,522
Net interest income	10,094	9,480	29,475	28,250
Provision for loan losses				(1,000)
Net interest income after provision for loan losses	10,094	9,480	29,475	29,250
Total net revenue	34,301	31,628	100,253	93,360
Operating Expense:
Personnel	19,423	18,319	57,384	54,267
Occupancy	903	860	2,634	2,560
Equipment	1,242	1,124	3,746	3,289
Amortization of intangible assets	110	101	317	305
Other operating expense	3,364	3,147	10,180	9,105
Total operating expense	25,042	23,551	74,261	69,526
Income before income tax expense	9,259	8,077	25,992	23,834
Income tax expense	2,396	1,855	6,309	5,910
Net income	$ 6,863	$ 6,222	$ 19,683	$ 17,924
Basic earnings per share	$ 0.62	$ 0.56	$ 1.77	$ 1.61
Diluted earnings per share	$ 0.61	$ 0.55	$ 1.74	$ 1.58

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Comprehensive income:
Net income	$ 6,863	$ 6,222	$ 19,683	$ 17,924
Other comprehensive income:
Net unrealized (loss) gain on securities available-for-sale	(99)	(3,176)	8,246	5,036
Tax effect	37	1,180	(3,063)	(1,871)
Reclassification adjustments for gains included in net income				(387)
Tax effect				143
Foreign currency translation adjustments	41	9	143	20
Total comprehensive income	$ 6,842	$ 4,235	$ 25,009	$ 20,865

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Flows From Operating Activities:
Net income	$ 19,683	$ 17,924
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,361	6,964
Net gains on sales of securities		(387)
Stock-based compensation expense	1,658	1,471
Provision for loan losses		(1,000)
Increase in income tax benefit		(121)
Increase in income tax liability	551	973
Increase in pension liability	3,476	3,102
Increase in accounts receivable	(3,637)	(3,742)
Other operating activities, net	(2,156)	431
Net cash provided by operating activities	27,936	25,615
Cash Flows From Investing Activities:
Proceeds from sales of securities available-for-sale		21,491
Proceeds from maturities of securities available-for-sale	33,856	29,970
Purchase of securities available-for-sale	(97,473)	(57,637)
Net decrease (increase) in loans	6,803	(25,781)
Net increase in payments in excess of funding	(14,455)	(5,808)
Purchases of premises and equipment, net	(2,780)	(3,549)
Net cash used in investing activities	(74,049)	(41,314)
Cash Flows From Financing Activities:
Net (decrease) increase in noninterest-bearing demand deposits	(3,243)	20,561
Net decrease in interest-bearing demand and savings deposits	(6,504)	(37,855)
Net decrease in time deposits	(2,984)	(5,177)
Net increase in accounts and drafts payable	44,946	105,503
Cash dividends paid	(7,725)	(7,406)
Purchase of common shares for treasury	(2,270)	(9,217)
Other financing activities, net	(752)	(779)
Net cash provided by financing activities	21,468	65,630
Net (decrease) increase in cash and cash equivalents	(24,645)	49,931
Cash and cash equivalents at beginning of period	266,743	253,172
Cash and cash equivalents at end of period	242,098	303,103
Supplemental information:
Cash paid for interest	1,520	1,517
Cash paid for income taxes	$ 5,758	$ 5,128

Basis of Presentation

Basis of Presentation	9 Months Ended
	Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Note 1 - Basis of Presentation The accompanying unaudited consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements. In the opinion of management, all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation have been included. For further information, refer to the audited consolidated financial statements and related footnotes included in Cass Information System, Inc.’s (the “Company” or “Cass”) Annual Report on Form 10-K for the year ended December 31, 2016 .

Intangible Assets

Intangible Assets	9 Months Ended
	Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible Assets	Note 2 – Intangible Assets The Company accounts for intangible assets in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 350, “Goodwill and Other Intangible Assets,” (“FASB ASC 350”), which requires that intangibles with indefinite useful lives be tested annually for impairment and those with finite useful lives be amortized over their useful lives. In March 2017, the Company completed an acquisition and recorded intangible assets of $1,406,000. Those intangible assets were valued as $980,000 for goodwill, $355,000 for the customer list and $71,000 for non-compete agreements. Details of the Company’s intangible assets are as follows: September 30, 2017 December 31, 2016 Gross Carrying Accumulated Gross Carrying Accumulated (In thousands) Amount Amortization Amount Amortization Assets eligible for amortization: Customer lists $ 4,288 $ (2,610 ) $ 3,933 $ (2,342 ) Patents 72 (11 ) 72 (8 ) Non-compete agreements 332 (282 ) 261 (261 ) Software 234 (234 ) 234 (234 ) Other 500 (183 ) 500 (158 ) Unamortized intangible assets: Goodwill 1 12,796 (227 ) 11,817 (227 ) Total intangible assets $ 18,222 $ (3,547 ) $ 16,817 $ (3,230 ) 1 The customer lists are amortized over seven and ten years; the patents over 18 years; the non-compete agreements over two and five years; software over three years; and other intangible assets over fifteen years. Amortization of intangible assets amounted to $317,000 and $305,000 for the nine-month periods ended September 30, 2017 and 2016, respectively. Estimated annual amortization of intangibles is as follows: $427,000 in 2017, $442,000 in 2018, $412,000 in 2019, and $406,000 in each of 2020 and 2021.

Earnings Per Share

Earnings Per Share	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Earnings Per Share	Note 3 – Earnings Per Share Basic earnings per share is computed by dividing net income by the weighted-average number of common shares outstanding. Diluted earnings per share is computed by dividing net income by the sum of the weighted-average number of common shares outstanding and the weighted-average number of potential common shares outstanding. There were no anti-dilutive shares in the three and nine months ended September 30, 2017 and 2016. The calculations of basic and diluted earnings per share are as follows: Three Months Ended Nine Months Ended September 30, September 30, (In thousands except share and per share data) 2017 2016 2017 2016 Basic Net income $ 6,863 $ 6,222 $ 19,683 $ 17,924 Weighted-average common shares 11,137,451 11,110,824 11,143,116 11,159,469 Basic earnings per share $ .62 $ .56 $ 1.77 $ 1.61 Diluted Net income $ 6,863 $ 6,222 $ 19,683 $ 17,924 Weighted-average common shares 11,137,451 11,110,824 11,143,116 11,159,469 Effect of dilutive restricted stock 164,439 158,541 166,442 155,112 Weighted-average common shares 11,301,890 11,269,365 11,309,558 11,314,581 Diluted earnings per share $ .61 $ .55 $ 1.74 $ 1.58

Stock Repurchases

Stock Repurchases	9 Months Ended
	Sep. 30, 2017
Equity [Abstract]
Stock Repurchases	Note 4 – Stock Repurchases The Company maintains a treasury stock buyback program pursuant to which the Board of Directors has authorized the repurchase of up to 500,000 shares of the Company’s common stock. As restored by the Board of Directors on October 17, 2016, the program provides that the Company may repurchase up to an aggregate of 500,000 shares of common stock and has no expiration date. The Company repurchased 38,042 and 0 shares during the three-month periods and 38,042 and 187,123 during the nine-month periods ended September 30, 2017 and 2016, respectively. As of September 30, 2017, 461,958 shares remained available for repurchase under the program. Repurchases may be made in the open market or through negotiated transactions from time to time depending on market conditions. On October 24, 2017, the Company’s Board of Directors restored the repurchase program to 500,000 shares.

Industry Segment Information

Industry Segment Information	9 Months Ended
	Sep. 30, 2017
Segment Reporting [Abstract]
Industry Segment Information	Note 5 – Industry Segment Information The services provided by the Company are classified into two reportable segments: Information Services and Banking Services. Each of these segments provides distinct services that are marketed through different channels. They are managed separately due to their unique service, processing and capital requirements. The Information Services segment provides transportation, energy, telecommunication, and environmental invoice processing and payment services to large corporations. The Banking Services segment provides banking services primarily to privately held businesses and churches. The Company’s accounting policies for segments are the same as those described in the summary of significant accounting policies in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016. Management evaluates segment performance based on net income after allocations for corporate expenses and income taxes. Transactions between segments are accounted for at what management believes to be fair value. Substantially all revenue originates from, and all long-lived assets are located within, the United States, and no revenue from any customer of any segment exceeds 10% of the Company’s consolidated revenue. Assets represent actual assets owned by Information Services and Banking Services and there is no allocation methodology used. Segment interest from customers is the actual interest earned on the loans owned by Information Services and Banking Services, respectively. Summarized information about the Company’s operations in each industry segment is as follows: Corporate, Information Banking Eliminations (In thousands) Services Services and Other Total Three Months Ended September 30, 2017 Fee revenue and other income: Income from customers $ 27,276 $ 7,025 $ — $ 34,301 Intersegment income (expense) 3,078 377 (3,455 ) — Net income 4,237 2,626 — 6,863 Goodwill 12,433 136 — 12,569 Other intangible assets, net 2,106 — — 2,106 Total assets 820,596 738,478 (2,324 ) 1,556,750 Three Months Ended September 30, 2016 Fee revenue and other income: Income from customers $ 25,090 $ 6,538 $ — $ 31,628 Intersegment income (expense) 2,797 416 (3,213 ) — Net income 3,806 2,416 — 6,222 Goodwill 11,454 136 — 11,590 Other intangible assets, net 2,099 — — 2,099 Total assets 808,568 742,933 (3,848 ) 1,547,653 Nine Months Ended September 30, 2017 Fee revenue and other income: Income from customers $ 79,671 $ 20,582 $ — $ 100,253 Intersegment income (expense) 9,090 1,122 (10,212 ) — Net income 11,992 7,691 — 19,683 Goodwill 12,433 136 — 12,569 Other intangible assets, net 2,106 — — 2,106 Total assets 820,596 738,478 (2,324 ) 1,556,750 Nine Months Ended September 30, 2016 Fee revenue and other income: Income from customers $ 73,084 $ 20,276 $ — $ 93,360 Intersegment income (expense) 8,870 1,195 (10,065 ) — Net income 10,231 7,693 — 17,924 Goodwill 11,454 136 — 11,590 Other intangible assets, net 2,099 — — 2,099 Total assets 808,568 742,933 (3,848 ) 1,547,653

Loans by Type

Loans by Type	9 Months Ended
	Sep. 30, 2017
Receivables [Abstract]
Loans by Type	Note 6 – Loans by Type A summary of loan categories is as follows: (In thousands) September 30, December 31, Commercial and industrial $ 213,942 $ 214,767 Real estate Commercial: Mortgage 94,485 104,779 Construction 14,919 6,325 Church, church-related: Mortgage 322,614 321,168 Construction 7,907 11,152 Industrial Revenue Bonds 4,191 6,639 Other 32 36 Total loans $ 658,090 $ 664,866 The following table presents the aging of loans by loan categories at September 30, 2017 and December 31, 2016: Performing Nonperforming 90 Days 30-59 60-89 and Non- Total (In thousands) Current Days Days Over accrual Loans September 30, 2017 Commercial and industrial $ 213,942 $ — $ — $ — $ — $ 213,942 Real estate Commercial: Mortgage 94,270 — — — 215 94,485 Construction 14,919 — — — — 14,919 Church, church-related: Mortgage 322,614 — — — — 322,614 Construction 7,907 — — — — 7,907 Industrial Revenue Bonds 4,191 — — — — 4,191 Other 32 — — — — 32 Total $ 657,875 $ — $ — $ — $ 215 $ 658,090 December 31, 2016 Commercial and industrial $ 214,767 $ — $ — $ — $ — $ 214,767 Real estate Commercial: Mortgage 104,534 — — — 245 104,779 Construction 6,325 — — — — 6,325 Church, church-related: Mortgage 321,168 — — — — 321,168 Construction 11,152 — — — — 11,152 Industrial revenue bonds 6,639 — — — — 6,639 Other 24 12 — — — 36 Total $ 664,609 $ 12 $ — $ — $ 245 $ 664,866 The following table presents the credit exposure of the loan portfolio as of September 30, 2017 and December 31, 2016: Loans Performing Nonperforming Subject to Loans Subject to Loans Subject Normal Special to Special (In thousands) Monitoring 1 Monitoring 2 Monitoring 2 Total Loans September 30, 2017 Commercial and industrial $ 211,820 $ 2,122 $ — $ 213,942 Real estate Commercial: Mortgage 93,560 710 215 94,485 Construction 14,919 — — 14,919 Church, church-related: Mortgage 322,561 53 — 322,614 Construction 7,907 — — 7,907 Industrial Revenue Bonds 4,191 — — 4,191 Other 32 — — 32 Total $ 654,990 $ 2,885 $ 215 $ 658,090 December 31, 2016 Commercial and industrial $ 213,024 $ 1,743 $ — $ 214,767 Real estate Commercial: Mortgage 103,778 756 245 104,779 Construction 6,325 — — 6,325 Church, church-related: Mortgage 318,030 3,138 — 321,168 Construction 11,152 — — 11,152 Industrial revenue bonds 6,639 — — 6,639 Other 36 — — 36 Total $ 658,984 $ 5,637 $ 245 $ 664,866 1 their loan obligations. 2 Impaired loans consist primarily of nonaccrual loans, loans greater than 90 days past due and still accruing interest and troubled debt restructurings, both performing and nonperforming. Troubled debt restructuring involves the granting of a concession to a borrower experiencing financial difficulty resulting in the modification of terms of the loan, such as changes in payment schedule or interest rate. Management measures impairment in accordance with FASB ASC 310, “Allowance for Credit Losses.” At September 30, 2017 and December 31, 2016, impaired loans were evaluated using the expected cash flow method. There were no loans delinquent 90 days or more and still accruing interest at September 30, 2017 or December 31, 2016. There were no loans classified as troubled debt restructuring at September 30, 2017 or December 31, 2016. There were no foreclosed loans recorded as other real estate owned (included in other assets) as of September 30, 2017 and December 31, 2016. The following table presents the recorded investment and unpaid principal balance for impaired loans at September 30, 2017 and December 31, 2016: Unpaid Related Recorded Principal Allowance for (In thousands) Investment Balance Loan Losses September 30, 2017 Commercial and industrial: Nonaccrual $ — $ — $ — Real estate Commercial – Mortgage: Nonaccrual 215 215 — Church – Mortgage: Nonaccrual — — — Total impaired loans $ 215 $ 215 $ — December 31, 2016 Commercial and industrial: Nonaccrual $ — $ — $ — Real estate Commercial – Mortgage: Nonaccrual 245 245 — Church – Mortgage: Nonaccrual — — — Total impaired loans $ 245 $ 245 $ — A summary of the activity in the allowance for loan losses from December 31, 2016 to September 30, 2017 is as follows: December 31, Charge- September 30, (In thousands) 2016 Offs Recoveries Provision 2017 Commercial and industrial $ 3,261 $ — $ 27 $ (61 ) $ 3,227 Real estate Commercial: Mortgage 1,662 — — (160 ) 1,502 Construction 47 — — 54 101 Church, church-related: Mortgage 4,027 — — 20 4,047 Construction 85 — — (26 ) 59 Industrial Revenue Bonds 101 — — (37 ) 64 Other 992 — — 210 1,202 Total $ 10,175 $ — $ 27 $ — $ 10,202 A summary of the activity in the allowance for loan losses from December 31, 2015 to September 30, 2016 is as follows: December 31, Charge- September 30, (In thousands) 2015 Offs Recoveries Provision 2016 Commercial and industrial $ 3,083 $ — $ 38 $ 217 $ 3,338 Real estate Commercial: Mortgage 2,803 — — (1,179 ) 1,624 Construction 9 — — 93 102 Church, church-related: Mortgage 4,082 — — 48 4,130 Construction 217 — — (102 ) 115 Industrial Revenue Bonds 320 — — (47 ) 273 Other 1,121 — — (30 ) 1,091 Total $ 11,635 $ — $ 38 $ (1,000 ) $ 10,673

Commitments and Contingencies

Commitments and Contingencies	9 Months Ended
	Sep. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Note 7 – Commitments and Contingencies In the normal course of business, the Company is party to activities that contain credit, market and operational risks that are not reflected in whole or in part in the Company’s consolidated financial statements. Such activities include traditional off-balance sheet credit-related financial instruments and commitments under operating leases. These financial instruments include commitments to extend credit, commercial letters of credit and standby letters of credit. The Company’s maximum potential exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit, commercial letters of credit and standby letters of credit is represented by the contractual amounts of those instruments. At September 30, 2017 and December 31, 2016, no amounts have been accrued for any estimated losses for these instruments. Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commercial and standby letters of credit are conditional commitments issued by the Company or its subsidiaries to guarantee the performance of a customer to a third party. These off-balance sheet financial instruments generally have fixed expiration dates or other termination clauses and may require payment of a fee. The balance of unused loan commitments, standby and commercial letters of credit were $91,117,000, $13,841,000, and $3,184,000 at September 30, 2017. Since some of the financial instruments may expire without being drawn upon, the total amounts do not necessarily represent future cash requirements. Commitments to extend credit and letters of credit are subject to the same underwriting standards as those financial instruments included on the consolidated balance sheets. The Company evaluates each customer’s credit worthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary upon extension of the credit, is based on management’s credit evaluation of the borrower. Collateral held varies, but is generally accounts receivable, inventory, residential or income-producing commercial property or equipment. In the event of nonperformance, the Company or its subsidiaries may obtain and liquidate the collateral to recover amounts paid under guarantees on these financial instruments. The following table summarizes contractual cash obligations of the Company related to operating lease commitments and time deposits at September 30, 2017: Amount of Commitment Expiration per Period Less than 1-3 3-5 Over 5 (In thousands) Total 1 Year Years Years Years Operating lease commitments $ 6,798 $ 1,498 $ 2,562 $ 2,240 $ 498 Time deposits 52,800 48,161 3,034 1,605 — Total $ 59,598 $ 49,659 $ 5,596 $ 3,845 $ 498 The Company and its subsidiaries are involved in various pending legal actions and proceedings in which claims for damages are asserted. Management, after discussion with legal counsel, believes the ultimate resolution of these legal actions and proceedings will not have a material effect upon the Company’s consolidated financial position or results of operations.

Stock-Based Compensation

Stock-Based Compensation	9 Months Ended
	Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation	Note 8 – Stock-Based Compensation The Amended and Restated Omnibus Stock and Performance Compensation Plan (the “Omnibus Plan”) permits the issuance of up to 1,500,000 shares of the Company’s common stock in the form of stock options, stock appreciation rights (“SARs”), restricted stock, restricted stock units and performance awards. The Company issues shares out of treasury stock for these awards. During the nine months ended September 30, 2017, 23,135 restricted shares and 0 SARs were granted under the Omnibus Plan. Restricted Stock Restricted shares granted prior to April 16, 2013 are amortized to expense over a three-year vesting period. Beginning on April 16, 2013, restricted shares granted to Company employees are amortized to expense over a three-year vesting period whereas restricted shares granted to members of the Board of Directors are amortized to expense over a one-year service period, with the exception of those shares granted in lieu of cash payments for retainer fees which are expensed in the period earned. As of September 30, 2017, the total unrecognized compensation expense related to non-vested restricted shares was $1,781,000, and the related weighted-average period over which it is expected to be recognized is approximately 0.8 years. Following is a summary of the activity of the restricted stock: Nine Months Ended September 30, 2017 Shares Fair Value Balance at December 31, 2016 73,840 $ 51.03 Granted 23,135 65.36 Vested (26,545 ) 52.34 Balance at September 30, 2017 70,430 $ 55.24 Performance-Based Restricted Stock On February 2, 2017, the Company granted three-year performance based restricted stock (“PBRS”) awards which are contingent upon the achievement of pre-established financial goals over the period from January 1, 2017 through December 31, 2019. The PBRS awards cliff vest on the three-year anniversary of their grant date at levels ranging from 0% to 150% of the target opportunity based on the actual achievement of financial goals for the three-year performance period. The target number of PBRS shares granted was 23,038 with a grant date fair value of $65.12 per share. The 2017 expense related to this grant is currently estimated to be $458,000 and is based on the grant date fair value and the achievement of 100% of the target financial goals. The estimated expense for 2017 and each future period through the vesting date is subject to prospective adjustment based upon changes in the expected achievement of the financial goals. SARs SARs vest over a three-year period, with one-third of the shares vesting and becoming exercisable each year on the anniversary date of the grant, and they expire 10 years from the original grant date. As of September 30, 2017, all compensation expense has been recognized and all granted SARs are vested. Following is a summary of the activity of the Company’s SARs program for the nine-month period ended September 30, 2017: Weighted- Average Aggregate Average Remaining Intrinsic Exercise Contractual Value Shares Price Term Years (In thousands) Outstanding at December 31, 2016 237,468 $ 38.22 5.73 $ 3,201 Exercised (15,547 ) 40.60 Outstanding at September 30, 2017 221,921 $ 38.05 4.45 $ 5,634 Exercisable at September 30, 2017 221,921 $ 38.05 4.45 $ 5,634

Defined Pension Plans

Defined Pension Plans	9 Months Ended
	Sep. 30, 2017
Retirement Benefits [Abstract]
Defined Pension Plans	Note 9 – Defined Pension Plans The Company has a noncontributory defined-benefit pension plan, which covers most of its employees. Effective December 31, 2016, the Plan was closed to all new participants. The Company accrues and makes contributions designed to fund normal service costs on a current basis using the projected unit credit with service proration method to amortize prior service costs arising from improvements in pension benefits and qualifying service prior to the establishment of the plan over a period of approximately 30 years. Disclosure information is based on a measurement date of December 31 of the corresponding year. The following table represents the components of the net periodic pension costs: Estimated Actual (In thousands) 2017 2016 Service cost – benefits earned during the year $ 3,733 $ 3,559 Interest cost on projected benefit obligations 3,621 3,505 Expected return on plan assets (4,681 ) (4,734 ) Net amortization and deferral 1,382 1,259 Net periodic pension cost $ 4,055 $ 3,589 Pension costs recorded to expense were $1,033,000 and $965,000 for the three-month periods ended September 30, 2017 and 2016, respectively, and totaled $3,070,000 and $2,724,000 for the nine-month periods ended September 30, 2017 and 2016, respectively. Pension costs increased in 2017 due to a decrease in the discount rate and expected return on plan assets assumptions and the use of the updated mortality tables. The Company made no contribution to the plan during the nine-month period ended September 30, 2017 and is evaluating the amount of additional contributions, if any, in the remainder of 2017. In addition to the above funded benefit plan, the Company has an unfunded supplemental executive retirement plan which covers key executives of the Company. This is a noncontributory plan in which the Company and its subsidiaries make accruals designed to fund normal service costs on a current basis using the same method and criteria as its defined benefit plan. The following table represents the components of the net periodic pension costs for 2016 and an estimate for 2017: Estimated Actual (In thousands) 2017 2016 Service cost – benefits earned during the year $ 143 $ 133 Interest cost on projected benefit obligation 361 367 Net amortization 323 295 Net periodic pension cost $ 827 $ 795 Pension costs recorded to expense were $210,000 and $201,000 for the three-month periods ended September 30, 2017 and 2016, respectively, and were $628,000 and $604,000 for the nine-month periods ended September 30, 2017 and 2016, respectively.

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Income Taxes	Note 10 – Income Taxes As of September 30, 2017, the Company’s unrecognized tax benefits were approximately $1,840,000, of which $1,409,000 would, if recognized, affect the Company’s effective tax rate. As of December 31, 2016, the Company’s unrecognized tax benefits were approximately $1,623,000, of which $1,225,000 would, if recognized, affect the Company’s effective tax rate. During the next 12 months, the Company may realize a reduction of its unrecognized tax benefits of approximately $226,000 due to the lapse of federal and state statutes of limitations. The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. The Company had $159,000 and $108,000 of gross interest accrued as of September 30, 2017 and December 31, 2016, respectively. There were no penalties for unrecognized tax benefits accrued at September 30, 2017 and December 31, 2016. The Company is subject to income tax in the U.S. federal jurisdiction and numerous state jurisdictions. U.S. federal income tax returns for tax years 2014 through 2016 remain subject to examination by the Internal Revenue Service. In addition, the Company is subject to state tax examinations for the tax years 2013 through 2016. On January 1, 2017, the Company adopted Accounting Standards Update (“ASU”) No. 2016-09 – Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. The adoption of this new accounting pronouncement resulted in a $0 and $278,000 reduction in income tax expense for the three-month and nine-month periods ending September 30, 2017, respectively.

Investment in Securities

Investment in Securities	9 Months Ended
	Sep. 30, 2017
Investments, Debt and Equity Securities [Abstract]
Investment in Securities	Note 11 – Investment in Securities Investment securities available-for-sale are recorded at fair value on a recurring basis. The Company’s investment securities available-for-sale are measured at fair value using Level 2 valuations. The market evaluation utilizes several sources which include “observable inputs” rather than “significant unobservable inputs” and therefore fall into the Level 2 category. The amortized cost, gross unrealized gains, gross unrealized losses and fair value of investment securities are summarized as follows: September 30, 2017 Gross Gross Amortized Unrealized Unrealized (In thousands) Cost Gains Losses Fair Value State and political subdivisions $ 406,833 $ 11,086 $ 924 $ 416,995 U.S. government agencies 32,241 — 409 31,832 Certificates of deposit 8,241 — — 8,241 Total $ 447,315 $ 11,086 $ 1,333 $ 457,068 December 31, 2016 Gross Gross Amortized Unrealized Unrealized (In thousands) Cost Gains Losses Fair Value State and political subdivisions $ 368,223 $ 5,239 $ 3,328 $ 370,134 U.S. government agencies 13,075 — 403 12,672 Certificates of deposit 7,746 — — 7,746 Total $ 389,044 $ 5,239 $ 3,731 $ 390,552 The fair values of securities with unrealized losses are as follows: September 30, 2017 Less than 12 months 12 months or more Total Estimated Unrealized Estimated Unrealized Estimated Unrealized (In thousands) Fair Value Losses Fair Value Losses Fair Value Losses State and political subdivisions $ 33,567 $ 336 $ 16,288 $ 588 $ 49,855 $ 924 U.S. government agencies 29,162 338 2,670 71 31,832 409 Certificates of deposit — — — — — — Total $ 62,729 $ 674 $ 18,958 $ 659 $ 81,687 $ 1,333 December 31, 2016 Less than 12 months 12 months or more Total Estimated Unrealized Estimated Unrealized Estimated Unrealized (In thousands) Fair Value Losses Fair Value Losses Fair Value Losses State and political subdivisions $ 140,384 $ 3,328 $ — $ — $ 140,384 $ 3,328 U.S. government agencies 12,672 403 — — 12,672 403 Certificates of deposit — — — — — — Total $ 153,056 $ 3,731 $ — $ — $ 153,056 $ 3,731 There were 44 securities, or 12% of the total (13 greater than 12 months), in an unrealized loss position as of September 30, 2017. There were 108 securities, or 31% of the total (none greater than 12 months), in an unrealized loss position as of December 31, 2016. All unrealized losses were reviewed to determine whether the losses were other than temporary. Management believes that all unrealized losses are temporary since they were market driven, and it is more likely than not that the Company will not be required to sell prior to recovery of the amortized basis. The amortized cost and fair value of investment securities by contractual maturity are shown in the following table. Expected maturities may differ from contractual maturities because borrowers have the right to prepay obligations with or without prepayment penalties. September 30, 2017 (In thousands) Amortized Cost Fair Value Due in 1 year or less $ 22,366 $ 22,562 Due after 1 year through 5 years 56,315 57,476 Due after 5 years through 10 years 237,366 245,720 Due after 10 years 131,268 131,310 Total $ 447,315 $ 457,068 There were no sales of investment securities classified as available for sale for the three months ended September 30, 2017 or 2016. Proceeds from sales of investment securities classified as available for sale were $0 and $21,491,000 for the nine months ended September 30, 2017 and 2016, respectively. There were no gross realized gains for the three months ended September 30, 2017 or 2016. Gross gains realized were $0 and $387,000 for the nine months ended September 30, 2017 and 2016, respectively. There was one security totaling $3,750,000 pledged to secure public deposits and for other purposes at September 30, 2017.

Fair Value of Financial Instrum

Fair Value of Financial Instruments	9 Months Ended
	Sep. 30, 2017
Fair Value Disclosures [Abstract]
Fair Value of Financial Instruments	Note 12 – Fair Value of Financial Instruments Following is a summary of the carrying amounts and fair values of the Company’s financial instruments: September 30, 2017 December 31, 2016 Carrying Carrying (In thousands) Amount Fair Value Amount Fair Value Balance sheet assets: Cash and cash equivalents $ 242,098 $ 242,098 $ 266,743 $ 266,743 Investment securities 457,068 457,068 390,552 390,552 Loans, net 647,888 650,593 654,691 652,028 Accrued interest receivable 6,267 6,267 6,543 6,543 Total $ 1,353,321 $ 1,356,026 $ 1,318,529 $ 1,315,866 Balance sheet liabilities: Deposits $ 609,230 $ 609,199 $ 621,961 $ 622,173 Accounts and drafts payable 687,233 687,233 642,287 642,287 Accrued interest payable 47 47 46 46 Total $ 1,296,510 $ 1,296,479 $ 1,264,294 $ 1,264,506 The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is practicable to estimate that value: Cash and Cash Equivalents – The carrying amount approximates fair value. Investment in Securities – The fair value is measured on a recurring basis using Level 2 valuations. Refer to Note 11, “Investment in Securities,” for fair value and unrealized gains and losses by investment type. Loans – The fair value is estimated using present values of future cash flows discounted at risk-adjusted interest rates for each loan category designated by management and is therefore a Level 3 valuation. Management believes that the risk factor embedded in the interest rates along with the allowance for loan losses result in a fair valuation. Impaired loans are valued using the fair value of the collateral which is based upon an observable market price or a current appraised value and therefore, the fair value is a nonrecurring Level 3 valuation. Accrued Interest Receivable – The carrying amount approximates fair value. Deposits – The fair value of demand deposits, savings deposits and certain money market deposits is the amount payable on demand at the reporting date. The fair value of fixed-maturity certificates of deposit is estimated using the rates currently offered for deposits of similar remaining maturities and therefore, is a Level 2 valuation. The fair value estimates above do not include the benefit that results from the low-cost funding provided by the deposit liabilities compared to the cost of borrowing funds in the market or the benefit derived from the customer relationship inherent in existing deposits. Accounts and Drafts Payable – The carrying amount approximates fair value. Accrued Interest – The carrying amount approximates fair value. There were no transfers between Levels 1 and 2 of the fair value hierarchy for the nine months ended September 30, 2017 and 2016. No financial instruments are measured using Level 3 inputs for the nine months ended September 30, 2017 and 2016.

Subsequent Events

Subsequent Events	9 Months Ended
	Sep. 30, 2017
Subsequent Events [Abstract]
Subsequent Events	Note 13 – Subsequent Events On October 24, 2017, the Company’s board of directors declared a 10% common stock dividend payable on December 15, 2017 to shareholders of record on December 5, 2017. Shareholders will receive one additional share of Cass common stock for each 10 shares of common stock owned. No fractional shares will be issued. Shareholders will receive cash for any fractional shares owned based on the share price reported by the Nasdaq Stock Market at the close of trading on December 5, 2017. Additionally, on October 24, 2017, the Company’s board of directors declared a fourth quarter cash dividend of $0.24 per share payable on December 15, 2017 to shareholders of record on December 5, 2017. The cash dividend will apply to all shares of common stock held after the 10% common stock dividend is completed.

Intangible Assets (Tables)

Intangible Assets (Tables)	9 Months Ended
	Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Company's Intangible Assets	Details of the Company’s intangible assets are as follows: September 30, 2017 December 31, 2016 Gross Carrying Accumulated Gross Carrying Accumulated (In thousands) Amount Amortization Amount Amortization Assets eligible for amortization: Customer lists $ 4,288 $ (2,610 ) $ 3,933 $ (2,342 ) Patents 72 (11 ) 72 (8 ) Non-compete agreements 332 (282 ) 261 (261 ) Software 234 (234 ) 234 (234 ) Other 500 (183 ) 500 (158 ) Unamortized intangible assets: Goodwill 1 12,796 (227 ) 11,817 (227 ) Total intangible assets $ 18,222 $ (3,547 ) $ 16,817 $ (3,230 ) 1

Earnings Per Share (Tables)

Earnings Per Share (Tables)	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Schedule of Earnings Per Share	The calculations of basic and diluted earnings per share are as follows: Three Months Ended Nine Months Ended September 30, September 30, (In thousands except share and per share data) 2017 2016 2017 2016 Basic Net income $ 6,863 $ 6,222 $ 19,683 $ 17,924 Weighted-average common shares 11,137,451 11,110,824 11,143,116 11,159,469 Basic earnings per share $ .62 $ .56 $ 1.77 $ 1.61 Diluted Net income $ 6,863 $ 6,222 $ 19,683 $ 17,924 Weighted-average common shares 11,137,451 11,110,824 11,143,116 11,159,469 Effect of dilutive restricted stock 164,439 158,541 166,442 155,112 Weighted-average common shares 11,301,890 11,269,365 11,309,558 11,314,581 Diluted earnings per share $ .61 $ .55 $ 1.74 $ 1.58

Industry Segment Information (T

Industry Segment Information (Tables)	9 Months Ended
	Sep. 30, 2017
Segment Reporting [Abstract]
Summary of Company's Operations in Each Segment	Summarized information about the Company’s operations in each industry segment is as follows: Corporate, Information Banking Eliminations (In thousands) Services Services and Other Total Three Months Ended September 30, 2017 Fee revenue and other income: Income from customers $ 27,276 $ 7,025 $ — $ 34,301 Intersegment income (expense) 3,078 377 (3,455 ) — Net income 4,237 2,626 — 6,863 Goodwill 12,433 136 — 12,569 Other intangible assets, net 2,106 — — 2,106 Total assets 820,596 738,478 (2,324 ) 1,556,750 Three Months Ended September 30, 2016 Fee revenue and other income: Income from customers $ 25,090 $ 6,538 $ — $ 31,628 Intersegment income (expense) 2,797 416 (3,213 ) — Net income 3,806 2,416 — 6,222 Goodwill 11,454 136 — 11,590 Other intangible assets, net 2,099 — — 2,099 Total assets 808,568 742,933 (3,848 ) 1,547,653 Nine Months Ended September 30, 2017 Fee revenue and other income: Income from customers $ 79,671 $ 20,582 $ — $ 100,253 Intersegment income (expense) 9,090 1,122 (10,212 ) — Net income 11,992 7,691 — 19,683 Goodwill 12,433 136 — 12,569 Other intangible assets, net 2,106 — — 2,106 Total assets 820,596 738,478 (2,324 ) 1,556,750 Nine Months Ended September 30, 2016 Fee revenue and other income: Income from customers $ 73,084 $ 20,276 $ — $ 93,360 Intersegment income (expense) 8,870 1,195 (10,065 ) — Net income 10,231 7,693 — 17,924 Goodwill 11,454 136 — 11,590 Other intangible assets, net 2,099 — — 2,099 Total assets 808,568 742,933 (3,848 ) 1,547,653

Loans by Type (Tables)

Loans by Type (Tables)	9 Months Ended
	Sep. 30, 2017
Receivables [Abstract]
Summary of Loan Categories	A summary of loan categories is as follows: (In thousands) September 30, December 31, Commercial and industrial $ 213,942 $ 214,767 Real estate Commercial: Mortgage 94,485 104,779 Construction 14,919 6,325 Church, church-related: Mortgage 322,614 321,168 Construction 7,907 11,152 Industrial Revenue Bonds 4,191 6,639 Other 32 36 Total loans $ 658,090 $ 664,866
Schedule of the Aging Loans by Loan Categories	The following table presents the aging of loans by loan categories at September 30, 2017 and December 31, 2016: Performing Nonperforming 90 Days 30-59 60-89 and Non- Total (In thousands) Current Days Days Over accrual Loans September 30, 2017 Commercial and industrial $ 213,942 $ — $ — $ — $ — $ 213,942 Real estate Commercial: Mortgage 94,270 — — — 215 94,485 Construction 14,919 — — — — 14,919 Church, church-related: Mortgage 322,614 — — — — 322,614 Construction 7,907 — — — — 7,907 Industrial Revenue Bonds 4,191 — — — — 4,191 Other 32 — — — — 32 Total $ 657,875 $ — $ — $ — $ 215 $ 658,090 December 31, 2016 Commercial and industrial $ 214,767 $ — $ — $ — $ — $ 214,767 Real estate Commercial: Mortgage 104,534 — — — 245 104,779 Construction 6,325 — — — — 6,325 Church, church-related: Mortgage 321,168 — — — — 321,168 Construction 11,152 — — — — 11,152 Industrial revenue bonds 6,639 — — — — 6,639 Other 24 12 — — — 36 Total $ 664,609 $ 12 $ — $ — $ 245 $ 664,866
Schedule of Credit Exposure of the Loan Portfolio	The following table presents the credit exposure of the loan portfolio as of September 30, 2017 and December 31, 2016: Loans Performing Nonperforming Subject to Loans Subject to Loans Subject Normal Special to Special (In thousands) Monitoring 1 Monitoring 2 Monitoring 2 Total Loans September 30, 2017 Commercial and industrial $ 211,820 $ 2,122 $ — $ 213,942 Real estate Commercial: Mortgage 93,560 710 215 94,485 Construction 14,919 — — 14,919 Church, church-related: Mortgage 322,561 53 — 322,614 Construction 7,907 — — 7,907 Industrial Revenue Bonds 4,191 — — 4,191 Other 32 — — 32 Total $ 654,990 $ 2,885 $ 215 $ 658,090 December 31, 2016 Commercial and industrial $ 213,024 $ 1,743 $ — $ 214,767 Real estate Commercial: Mortgage 103,778 756 245 104,779 Construction 6,325 — — 6,325 Church, church-related: Mortgage 318,030 3,138 — 321,168 Construction 11,152 — — 11,152 Industrial revenue bonds 6,639 — — 6,639 Other 36 — — 36 Total $ 658,984 $ 5,637 $ 245 $ 664,866 1 their loan obligations. 2
Schedule of Recorded Investment and Unpaid Principal Balance for Impaired Loans	The following table presents the recorded investment and unpaid principal balance for impaired loans at September 30, 2017 and December 31, 2016: Unpaid Related Recorded Principal Allowance for (In thousands) Investment Balance Loan Losses September 30, 2017 Commercial and industrial: Nonaccrual $ — $ — $ — Real estate Commercial – Mortgage: Nonaccrual 215 215 — Church – Mortgage: Nonaccrual — — — Total impaired loans $ 215 $ 215 $ — December 31, 2016 Commercial and industrial: Nonaccrual $ — $ — $ — Real estate Commercial – Mortgage: Nonaccrual 245 245 — Church – Mortgage: Nonaccrual — — — Total impaired loans $ 245 $ 245 $ —
Summary of the Allowance for Loan Losses	A summary of the activity in the allowance for loan losses from December 31, 2016 to September 30, 2017 is as follows: December 31, Charge- September 30, (In thousands) 2016 Offs Recoveries Provision 2017 Commercial and industrial $ 3,261 $ — $ 27 $ (61 ) $ 3,227 Real estate Commercial: Mortgage 1,662 — — (160 ) 1,502 Construction 47 — — 54 101 Church, church-related: Mortgage 4,027 — — 20 4,047 Construction 85 — — (26 ) 59 Industrial Revenue Bonds 101 — — (37 ) 64 Other 992 — — 210 1,202 Total $ 10,175 $ — $ 27 $ — $ 10,202 A summary of the activity in the allowance for loan losses from December 31, 2015 to September 30, 2016 is as follows: December 31, Charge- September 30, (In thousands) 2015 Offs Recoveries Provision 2016 Commercial and industrial $ 3,083 $ — $ 38 $ 217 $ 3,338 Real estate Commercial: Mortgage 2,803 — — (1,179 ) 1,624 Construction 9 — — 93 102 Church, church-related: Mortgage 4,082 — — 48 4,130 Construction 217 — — (102 ) 115 Industrial Revenue Bonds 320 — — (47 ) 273 Other 1,121 — — (30 ) 1,091 Total $ 11,635 $ — $ 38 $ (1,000 ) $ 10,673

Commitments and Contingencies (

Commitments and Contingencies (Tables)	9 Months Ended
	Sep. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Summary of Contractual Cash Obligation of Operating Lease Commitments	The following table summarizes contractual cash obligations of the Company related to operating lease commitments and time deposits at September 30, 2017: Amount of Commitment Expiration per Period Less than 1-3 3-5 Over 5 (In thousands) Total 1 Year Years Years Years Operating lease commitments $ 6,798 $ 1,498 $ 2,562 $ 2,240 $ 498 Time deposits 52,800 48,161 3,034 1,605 — Total $ 59,598 $ 49,659 $ 5,596 $ 3,845 $ 498

Stock-Based Compensation (Table

Stock-Based Compensation (Tables)	9 Months Ended
	Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Summary of Restricted Stock Activity	Following is a summary of the activity of the restricted stock: Nine Months Ended September 30, 2017 Shares Fair Value Balance at December 31, 2016 73,840 $ 51.03 Granted 23,135 65.36 Vested (26,545 ) 52.34 Balance at September 30, 2017 70,430 $ 55.24
Summary of SARs Activity	Following is a summary of the activity of the Company’s SARs program for the nine-month period ended September 30, 2017: Weighted- Average Aggregate Average Remaining Intrinsic Exercise Contractual Value Shares Price Term Years (In thousands) Outstanding at December 31, 2016 237,468 $ 38.22 5.73 $ 3,201 Exercised (15,547 ) 40.60 Outstanding at September 30, 2017 221,921 $ 38.05 4.45 $ 5,634 Exercisable at September 30, 2017 221,921 $ 38.05 4.45 $ 5,634

Defined Pension Plans (Tables)

Defined Pension Plans (Tables)	9 Months Ended
	Sep. 30, 2017
Retirement Benefits [Abstract]
Schedule of Net Periodic Pension Costs	The following table represents the components of the net periodic pension costs: Estimated Actual (In thousands) 2017 2016 Service cost – benefits earned during the year $ 3,733 $ 3,559 Interest cost on projected benefit obligations 3,621 3,505 Expected return on plan assets (4,681 ) (4,734 ) Net amortization and deferral 1,382 1,259 Net periodic pension cost $ 4,055 $ 3,589
Schedule of Unfunded Supplemental Executive Retirement Plan	The following table represents the components of the net periodic pension costs for 2016 and an estimate for 2017: Estimated Actual (In thousands) 2017 2016 Service cost – benefits earned during the year $ 143 $ 133 Interest cost on projected benefit obligation 361 367 Net amortization 323 295 Net periodic pension cost $ 827 $ 795

Investment in Securities (Table

Investment in Securities (Tables)	9 Months Ended
	Sep. 30, 2017
Investments, Debt and Equity Securities [Abstract]
Schedule of Investment Securities	The amortized cost, gross unrealized gains, gross unrealized losses and fair value of investment securities are summarized as follows: September 30, 2017 Gross Gross Amortized Unrealized Unrealized (In thousands) Cost Gains Losses Fair Value State and political subdivisions $ 406,833 $ 11,086 $ 924 $ 416,995 U.S. government agencies 32,241 — 409 31,832 Certificates of deposit 8,241 — — 8,241 Total $ 447,315 $ 11,086 $ 1,333 $ 457,068 December 31, 2016 Gross Gross Amortized Unrealized Unrealized (In thousands) Cost Gains Losses Fair Value State and political subdivisions $ 368,223 $ 5,239 $ 3,328 $ 370,134 U.S. government agencies 13,075 — 403 12,672 Certificates of deposit 7,746 — — 7,746 Total $ 389,044 $ 5,239 $ 3,731 $ 390,552
Schedule of the Fair Value of Securities with Unrealized Losses	The fair values of securities with unrealized losses are as follows: September 30, 2017 Less than 12 months 12 months or more Total Estimated Unrealized Estimated Unrealized Estimated Unrealized (In thousands) Fair Value Losses Fair Value Losses Fair Value Losses State and political subdivisions $ 33,567 $ 336 $ 16,288 $ 588 $ 49,855 $ 924 U.S. government agencies 29,162 338 2,670 71 31,832 409 Certificates of deposit — — — — — — Total $ 62,729 $ 674 $ 18,958 $ 659 $ 81,687 $ 1,333 December 31, 2016 Less than 12 months 12 months or more Total Estimated Unrealized Estimated Unrealized Estimated Unrealized (In thousands) Fair Value Losses Fair Value Losses Fair Value Losses State and political subdivisions $ 140,384 $ 3,328 $ — $ — $ 140,384 $ 3,328 U.S. government agencies 12,672 403 — — 12,672 403 Certificates of deposit — — — — — — Total $ 153,056 $ 3,731 $ — $ — $ 153,056 $ 3,731
Schedule of Amortized Cost and Fair Value of Investment	The amortized cost and fair value of investment securities by contractual maturity are shown in the following table. Expected maturities may differ from contractual maturities because borrowers have the right to prepay obligations with or without prepayment penalties. September 30, 2017 (In thousands) Amortized Cost Fair Value Due in 1 year or less $ 22,366 $ 22,562 Due after 1 year through 5 years 56,315 57,476 Due after 5 years through 10 years 237,366 245,720 Due after 10 years 131,268 131,310 Total $ 447,315 $ 457,068

Fair Value of Financial Instr28

Fair Value of Financial Instruments (Tables)	9 Months Ended
	Sep. 30, 2017
Fair Value Disclosures [Abstract]
Summary of the Fair Value of Financial Instruments	Following is a summary of the carrying amounts and fair values of the Company’s financial instruments: September 30, 2017 December 31, 2016 Carrying Carrying (In thousands) Amount Fair Value Amount Fair Value Balance sheet assets: Cash and cash equivalents $ 242,098 $ 242,098 $ 266,743 $ 266,743 Investment securities 457,068 457,068 390,552 390,552 Loans, net 647,888 650,593 654,691 652,028 Accrued interest receivable 6,267 6,267 6,543 6,543 Total $ 1,353,321 $ 1,356,026 $ 1,318,529 $ 1,315,866 Balance sheet liabilities: Deposits $ 609,230 $ 609,199 $ 621,961 $ 622,173 Accounts and drafts payable 687,233 687,233 642,287 642,287 Accrued interest payable 47 47 46 46 Total $ 1,296,510 $ 1,296,479 $ 1,264,294 $ 1,264,506

Intangible Assets (Narrative) (

Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 110	$ 101	$ 317	$ 305
2,017	427		427
2,018	442		442
2,019	412		412
2,020	406		406
2,021	406		406
Recorded intangible assets	1,406		1,406
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Recorded intangible assets	355		$ 355
Customer Lists [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			7 years
Customer Lists [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			10 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			18 years
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			3 years
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			15 years
Goodwill [Member]
Finite-Lived Intangible Assets [Line Items]
Recorded intangible assets	980		$ 980
Non-compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Recorded intangible assets	$ 71		$ 71
Non-compete Agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			2 years
Non-compete Agreements [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			5 years

Intangible Assets (Schedule of

Intangible Assets (Schedule of Company's Intangible Assets) (Details) - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Unamortized intangible assets:
Goodwill, Gross Carrying Amount	[1]	$ 12,796	$ 11,817
Goodwill, Accumulated Amortization	[1]	(227)	(227)
Total intangible assets		18,222	16,817
Accumulated Amortization		(3,547)	(3,230)
Customer Lists [Member]
Assets eligible for amortization:
Gross Carrying Amount		4,288	3,933
Accumulated Amortization		(2,610)	(2,342)
Patents [Member]
Assets eligible for amortization:
Gross Carrying Amount		72	72
Accumulated Amortization		(11)	(8)
Non-compete Agreements [Member]
Assets eligible for amortization:
Gross Carrying Amount		332	261
Accumulated Amortization		(282)	(261)
Software [Member]
Assets eligible for amortization:
Gross Carrying Amount		234	234
Accumulated Amortization		(234)	(234)
Other [Member]
Assets eligible for amortization:
Gross Carrying Amount		500	500
Accumulated Amortization		$ (183)	$ (158)
[1]	1 Amortization through December 31, 2001 prior to adoption of FASB ASC 350.

Earnings Per Share (Details)

Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Basic
Net income	$ 6,863	$ 6,222	$ 19,683	$ 17,924
Weighted-average common shares outstanding	11,137,451	11,110,824	11,143,116	11,159,469
Basic earnings per share	$ 0.62	$ 0.56	$ 1.77	$ 1.61
Diluted
Net Income	$ 6,863	$ 6,222	$ 19,683	$ 17,924
Weighted-average common shares outstanding	11,137,451	11,110,824	11,143,116	11,159,469
Effect of dilutive restricted stock and stock appreciation rights	164,439	158,541	166,442	155,112
Weighted-average common shares outstanding assuming dilution assuming dilution	11,301,890	11,269,365	11,309,558	11,314,581
Diluted earnings per share	$ 0.61	$ 0.55	$ 1.74	$ 1.58

Stock Repurchases (Details)

Stock Repurchases (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Oct. 24, 2017
Number of shares authorized to be repurchased	500,000		500,000
Shares repurchased	38,042	0	38,042	187,123
Remaining number of shares available for repurchase	461,958		461,958
Subsequent Event [Member]
Remaining number of shares available for repurchase					500,000

Industry Segment Information (D

Industry Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Fee revenue and other income:
Income from customers	$ 34,301	$ 31,628	$ 100,253	$ 93,360
Intersegment income (expense)
Net income	6,863	6,222	19,683	17,924
Goodwill	12,569	11,590	12,569	11,590	$ 11,590
Other intangible assets, net	2,106	2,099	2,106	2,099
Total assets	1,556,750	1,547,653	1,556,750	1,547,653	$ 1,504,839
Information Services [Member]
Fee revenue and other income:
Income from customers	27,276	25,090	79,671	73,084
Intersegment income (expense)	3,078	2,797	9,090	8,870
Net income	4,237	3,806	11,992	10,231
Goodwill	12,433	11,454	12,433	11,454
Other intangible assets, net	2,106	2,099	2,106	2,099
Total assets	820,596	808,568	820,596	808,568
Banking Services [Member]
Fee revenue and other income:
Income from customers	7,025	6,538	20,582	20,276
Intersegment income (expense)	377	416	1,122	1,195
Net income	2,626	2,416	7,691	7,693
Goodwill	136	136	136	136
Other intangible assets, net
Total assets	738,478	742,933	738,478	742,933
Corporate Eliminations and Other [Member]
Fee revenue and other income:
Income from customers
Intersegment income (expense)	(3,455)	(3,213)	(10,212)	(10,065)
Net income
Goodwill
Other intangible assets, net
Total assets	$ (2,324)	$ (3,848)	$ (2,324)	$ (3,848)

Loans by Type (Summary of Loan

Loans by Type (Summary of Loan Categories) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Participating Mortgage Loans [Line Items]
Loans	$ 658,090	$ 664,866
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Loans	213,942	214,767
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans	94,485	104,779
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Loans	14,919	6,325
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans	322,614	321,168
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Loans	7,907	11,152
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Loans	4,191	6,639
Other Loan [Member]
Participating Mortgage Loans [Line Items]
Loans	$ 32	$ 36

Loans by Type (Schedule of the

Loans by Type (Schedule of the Aging of Loans by Loan Categories) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Participating Mortgage Loans [Line Items]
Nonaccrual	$ 215	$ 245
Loans	658,090	664,866
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Loans	213,942	214,767
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	215	245
Loans	94,485	104,779
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Loans	14,919	6,325
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Loans	322,614	321,168
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Loans	7,907	11,152
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Loans	4,191	6,639
Other Financing Receivable [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Loans	32	36
Current [Member]
Participating Mortgage Loans [Line Items]
Current	657,875	664,609
Current [Member] | Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Current	213,942	214,767
Current [Member] | Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Current	94,270	104,534
Current [Member] | Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Current	14,919	6,325
Current [Member] | Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Current	322,614	321,168
Current [Member] | Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Current	7,907	11,152
Current [Member] | Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Current	4,191	6,639
Current [Member] | Other Financing Receivable [Member]
Participating Mortgage Loans [Line Items]
Current	32	24
30 to 59 Days Past Due [Member]
Participating Mortgage Loans [Line Items]
Past due		12
30 to 59 Days Past Due [Member] | Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Past due
30 to 59 Days Past Due [Member] | Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Past due
30 to 59 Days Past Due [Member] | Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Past due
30 to 59 Days Past Due [Member] | Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Past due
30 to 59 Days Past Due [Member] | Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Past due
30 to 59 Days Past Due [Member] | Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Past due
30 to 59 Days Past Due [Member] | Other Financing Receivable [Member]
Participating Mortgage Loans [Line Items]
Past due		12
60 to 89 Days Past Due [Member]
Participating Mortgage Loans [Line Items]
Past due
60 to 89 Days Past Due [Member] | Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Past due
60 to 89 Days Past Due [Member] | Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Past due
60 to 89 Days Past Due [Member] | Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Past due
60 to 89 Days Past Due [Member] | Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Past due
60 to 89 Days Past Due [Member] | Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Past due
60 to 89 Days Past Due [Member] | Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Past due
60 to 89 Days Past Due [Member] | Other Financing Receivable [Member]
Participating Mortgage Loans [Line Items]
Past due
90 Days and Over [Member]
Participating Mortgage Loans [Line Items]
Past due
90 Days and Over [Member] | Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Past due
90 Days and Over [Member] | Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Past due
90 Days and Over [Member] | Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Past due
90 Days and Over [Member] | Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Past due
90 Days and Over [Member] | Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Past due
90 Days and Over [Member] | Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Past due
90 Days and Over [Member] | Other Financing Receivable [Member]
Participating Mortgage Loans [Line Items]
Past due

Loans by Type (Schedule of th36

Loans by Type (Schedule of the Credit Exposure of the Loan Portfolio) (Details) - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Participating Mortgage Loans [Line Items]
Loans		$ 658,090	$ 664,866
Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	654,990	658,984
Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	2,885	5,637
Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	215	245
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Loans		213,942	214,767
Commercial and Industrial [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	211,820	213,024
Commercial and Industrial [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	2,122	1,743
Commercial and Industrial [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans		94,485	104,779
Real Estate Commercial Mortgage [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	93,560	103,778
Real Estate Commercial Mortgage [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	710	756
Real Estate Commercial Mortgage [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	215	245
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Loans		14,919	6,325
Real Estate Commercial Construction [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	14,919	6,325
Real Estate Commercial Construction [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Commercial Construction [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans		322,614	321,168
Real Estate Church Related Mortgage [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	322,561	318,030
Real Estate Church Related Mortgage [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	53	3,138
Real Estate Church Related Mortgage [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Loans		7,907	11,152
Real Estate Church Related Construction [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	7,907	11,152
Real Estate Church Related Construction [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Church Related Construction [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Loans		4,191	6,639
Industrial Revenue Bonds [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	4,191	6,639
Industrial Revenue Bonds [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Industrial Revenue Bonds [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Other Financing Receivable [Member]
Participating Mortgage Loans [Line Items]
Loans		32	36
Other Financing Receivable [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	32	36
Other Financing Receivable [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Other Financing Receivable [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
[1]	Loans subject to normal monitoring involve borrowers of acceptable-to-strong credit quality and risk, who have the apparent ability to satisfy their loan obligations.
[2]	Loans subject to special monitoring possess some credit deficiency or potential weakness which requires a high level of management attention.

Loans by Type (Schedule of Reco

Loans by Type (Schedule of Recorded Investment and Unpaid Principal for Impaired Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Participating Mortgage Loans [Line Items]
Nonaccrual	$ 215	$ 245
Recorded Investment [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	215	245
Upaid Principal Balance [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	215	245
Related Allowance for Loan Losses [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Commercial and Industrial [Member] | Recorded Investment [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Commercial and Industrial [Member] | Upaid Principal Balance [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Commercial and Industrial [Member] | Related Allowance for Loan Losses [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	215	245
Real Estate Commercial Mortgage [Member] | Recorded Investment [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	215	245
Real Estate Commercial Mortgage [Member] | Upaid Principal Balance [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	215	245
Real Estate Commercial Mortgage [Member] | Related Allowance for Loan Losses [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Real Estate Church Related Mortgage [Member] | Recorded Investment [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Real Estate Church Related Mortgage [Member] | Upaid Principal Balance [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Real Estate Church Related Mortgage [Member] | Related Allowance for Loan Losses [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual

Loans by Type (Summary of Allow

Loans by Type (Summary of Allowance for Loan Losses) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Participating Mortgage Loans [Line Items]
Beginning Balance	$ 10,175	$ 11,635
Charge-Offs
Recoveries	27	38
Provision		(1,000)
Ending Balance	10,202	10,673
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	3,261	3,083
Charge-Offs
Recoveries	27	38
Provision	(61)	217
Ending Balance	3,227	3,338
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	1,662	2,803
Charge-Offs
Recoveries
Provision	(160)	(1,179)
Ending Balance	1,502	1,624
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	47	9
Charge-Offs
Recoveries
Provision	54	93
Ending Balance	101	102
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	4,027	4,082
Charge-Offs
Recoveries
Provision	20	48
Ending Balance	4,047	4,130
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	85	217
Charge-Offs
Recoveries
Provision	(26)	(102)
Ending Balance	59	115
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	101	320
Charge-Offs
Recoveries
Provision	(37)	(47)
Ending Balance	64	273
Other Financing Receivable [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	992	1,121
Charge-Offs
Recoveries
Provision	210	(30)
Ending Balance	$ 1,202	$ 1,091

Commitments and Contingencies39

Commitments and Contingencies (Narrative) (Details) $ in Thousands	Sep. 30, 2017USD ($)
Commitments and Contingencies Disclosure [Abstract]
Unused loan commitments	$ 91,117
Standby letters of credit	13,841
Commercial letters of credit	$ 3,184

Commitments and Contingencies40

Commitments and Contingencies (Summary of Company's Contractual Cash Obligations) (Details) $ in Thousands	Sep. 30, 2017USD ($)
Commitments and Contingencies Disclosure [Abstract]
Operating lease commitments, Less than 1 Year	$ 1,498
Operating lease commitments, 1 to 3 Years	2,562
Operating lease commitments, 3 to 5 Years	2,240
Operating lease commitments, Over 5 Years	498
Operating lease commitments, Total	6,798
Time Deposits, Less than 1 Year	48,161
Time Deposits, 1 to 3 Years	3,034
Time Deposits, 3 to 5 Years	1,605
Time Deposits, over 5 Years
Time Deposits, Total	52,800
Commitments, Less than 1 Year	49,659
Commitments, 1 to 3 Years	5,596
Commitments, 3 to 5 Years	3,845
Commitments, Over 5 Years	498
Commitments, Total	$ 59,598

Stock-Based Compensation (Narra

Stock-Based Compensation (Narrative) (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2017USD ($)$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity Incentive Plan, shares authorized	1,500,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $	$ 1,781
Remaining vesting period	9 months 18 days
Vesting period	3 years
Granted, Shares	23,135
Fair value of granted shares per share | $ / shares	$ 65.36
Performance-based restricted shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Granted, Shares	23,038
Fair value of granted shares per share | $ / shares	$ 65.12
Expense incurred to grant shares | $	$ 458
Performance-based restricted shares [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target opportunity for awards to vest	0.00%
Performance-based restricted shares [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target opportunity for awards to vest	150.00%
SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Expiry period	10 years

Stock-Based Compensation (Summa

Stock-Based Compensation (Summary of Restricted Stock Activity) (Details) - Restricted Stock [Member]	9 Months Ended
	Sep. 30, 2017$ / sharesshares
Shares
Beginning balance | shares	73,840
Granted | shares	23,135
Vested | shares	(26,545)
Ending balance | shares	70,430
Fair Value
Beginning balance | $ / shares	$ 51.03
Granted | $ / shares	65.36
Vested | $ / shares	52.34
Ending balance | $ / shares	$ 55.24

Stock-Based Compensation (Sum43

Stock-Based Compensation (Summary of Company's SARs Activity) (Details) - SARs [Member] - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning balance	237,468
Exercised	(15,547)
Ending balance	221,921	237,468
Exercisable	221,921
Outstanding, Weighted Average Exercise Price	$ 38.22
Exercised, Weighted Average Exercise Price	40.60
Outstanding, Weighted Average Exercise Price	38.05	$ 38.22
Exercisable, Weighted Average Exercise Price	$ 38.05
Outstanding, Average Remaining Contractual Term Years	4 years 5 months 12 days	5 years 8 months 23 days
Exercisable, Average Remaining Contractual Term Years	4 years 5 months 12 days
Outstanding, Aggregate Intrinsic Value	$ 3,201
Outstanding, Aggregate Intrinsic Value	5,634	$ 3,201
Exercisable, Aggregate Intrinsic Value	$ 5,634

Defined Pension Plans (Narrativ

Defined Pension Plans (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Defined Benefit Plan Disclosure [Line Items]
Pension period			30 years
Defined Benefit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension costs	$ 1,033	$ 965	$ 3,070	$ 2,724
Unfunded Supplemental Executive Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension costs	$ 210	$ 201	$ 628	$ 604

Defined Pension Plans (Schedule

Defined Pension Plans (Schedule of Net Periodic Pension Costs) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Defined Benefit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the year	$ 3,733	$ 3,559
Interest cost on projected benefit obligations	3,621	3,505
Expected return on plan assets	(4,681)	(4,734)
Net amortization and deferral	1,382	1,259
Net periodic pension cost	4,055	3,589
Unfunded Supplemental Executive Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the year	143	133
Interest cost on projected benefit obligations	361	367
Net amortization and deferral	323	295
Net periodic pension cost	$ 827	$ 795

Income Taxes (Details)

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Dec. 31, 2016
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 1,840	$ 1,840	$ 1,623
Amounts of tax benefits that would affect effective tax rate if recognized	1,409	1,409	1,225
Income tax accrued interest	159	159	$ 108
Statute of limitations		226
Accounting Standards Update 2016-09 [Member]
Income Tax Contingency [Line Items]
Reduction in income tax expense from adoption of ASU No. 2016-09 - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting	$ 0	$ 278

Investment in Securities (Narra

Investment in Securities (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017USD ($)	Sep. 30, 2016USD ($)	Sep. 30, 2017USD ($)	Sep. 30, 2016USD ($)	Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract]
Number of securities that had an unrealized loss	44		44		108
Percentage of total securities	12.00%	5.00%	12.00%	5.00%	31.00%
Proceeds from sales of securities available-for-sale	$ 0	$ 0		$ 21,491
Gross realized gains	0	$ 0	0	$ 387
Securities pledged as collateral	$ 3,750		$ 3,750

Investment in Securities (Sched

Investment in Securities (Schedule of Investment Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Investment [Line Items]
Fair Value	$ 457,068	$ 390,552
Gross Unrealized Gains	11,086	5,239
Gross Unrealized Losses	1,333	3,731
Amortized Cost	447,315	389,044
State and Political Subdivisions [Member]
Investment [Line Items]
Fair Value	416,995	370,134
Gross Unrealized Gains	11,086	5,239
Gross Unrealized Losses	924	3,328
Amortized Cost	406,833	368,223
U.S. government agencies [Member]
Investment [Line Items]
Fair Value	31,832	12,672
Gross Unrealized Gains
Gross Unrealized Losses	409	403
Amortized Cost	32,241	13,075
Certificates of Deposit [Member]
Investment [Line Items]
Fair Value	8,241	7,746
Gross Unrealized Gains
Gross Unrealized Losses
Amortized Cost	$ 8,241	$ 7,746

Investment in Securities (Sch49

Investment in Securities (Schedule of the Fair Values of Securities with Unrealized Losses) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Investment [Line Items]
Estimated fair value, less than 12 months	$ 62,729	$ 153,056
Estimated fair value, 12 months or more	18,958
Estimated fair value, total	81,687	153,056
Unrealized losses, less than 12 months	674	3,731
Unrealized losses, 12 months or more	659
Unrealized losses, total	1,333	3,731
State and Political Subdivisions [Member]
Investment [Line Items]
Estimated fair value, less than 12 months	33,567	140,384
Estimated fair value, 12 months or more	16,288
Estimated fair value, total	49,855	140,384
Unrealized losses, less than 12 months	336	3,328
Unrealized losses, 12 months or more	588
Unrealized losses, total	924	3,328
U.S. government agencies [Member]
Investment [Line Items]
Estimated fair value, less than 12 months	29,162	12,672
Estimated fair value, 12 months or more	2,670
Estimated fair value, total	31,832	12,672
Unrealized losses, less than 12 months	338	403
Unrealized losses, 12 months or more	71
Unrealized losses, total	409	403
Certificates of Deposit [Member]
Investment [Line Items]
Estimated fair value, less than 12 months
Estimated fair value, 12 months or more
Estimated fair value, total
Unrealized losses, less than 12 months
Unrealized losses, 12 months or more
Unrealized losses, total

Investment in Securities (Sch50

Investment in Securities (Schedule of Amortized Cost and Fair Value of Investment Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract]
Amortized Cost, Due in 1 year or less	$ 22,366
Amortized Cost, Due after 1 year through 5 years	56,315
Amortized Cost, Due after 5 years through 10 years	237,366
Amortized Cost, Due after 10 years	131,268
Amortized Cost, Total	447,315
Fair Value, Due in 1 year or less	22,562
Fair Value, Due after 1 year through 5 years	57,476
Fair Value, Due after 5 years through 10 years	245,720
Fair Value, Due after 10 years	131,310
Fair Value, Total	$ 457,068	$ 390,552

Fair Value of Financial Instr51

Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Fair Value Disclosures [Abstract]
Cash and cash equivalents, Carrying Amount	$ 242,098	$ 266,743	$ 303,103	$ 253,172
Investment securities, Carrying Amount	457,068	390,552
Loans, net, Carrying Amount	647,888	654,691
Accrued interest receivable, Carrying Amount	6,267	6,543
Assets, Carrying Amount	1,353,321	1,318,529
Cash and cash equivalents, Fair Value	242,098	266,743
Investment securities, Fair Value	457,068	390,552
Loans, net, Fair Value	650,593	652,028
Accrued interest receivable, Fair Value	6,267	6,543
Assets, Fair Value	1,356,026	1,315,866
Deposits, Carrying Amount	609,230	621,961
Accounts and drafts payable, Carrying Amount	687,233	642,287
Accrued interest payable, Carrying Amount	47	46
Liabilities, Carrying Amount	1,296,510	1,264,294
Deposits, Fair Value	609,199	622,173
Accounts and drafts payable, Fair Value	687,233	642,287
Accrued interest payable, Fair Value	47	46
Liabilities, Fair Value	$ 1,296,479	$ 1,264,506

Subsequent Events (Details)

Subsequent Events (Details) - Subsequent Event [Member]	1 Months Ended
	Oct. 24, 2017$ / shares
10% Common Stock Dividend [Member]
Subsequent Event [Line Items]
Dividend declaration date	Oct. 24, 2017
Dividend payable date	Dec. 15, 2017
Dividend record date	Dec. 5, 2017
Dividend description	Shareholders will receive one additional share of Cass common stock for each 10 shares of common stock owned. No fractional shares will be issued. Shareholders will receive cash for any fractional shares owned based on the share price reported by the Nasdaq Stock Market at the close of trading on December 5, 2017.
Cash Dividend [Member]
Subsequent Event [Line Items]
Dividend per share	$ 0.24
Dividend declaration date	Oct. 24, 2017
Dividend payable date	Dec. 15, 2017
Dividend record date	Dec. 5, 2017